High-Security Prisons | United States Penitentiary

By Elizabeth Franklin-Best, Esq., and Christopher Zoukis, JD, MBA

A high-security federal prison is a United States Penitentiary (USP), and the Bureau of Prisons operates 15 of them. Men are designated to one when their security point score reaches 24 or more, or when a Public Safety Factor forces the level regardless of score — a validated Disruptive Group affiliation, a prison-disturbance finding, or more than 30 years left to serve. Those thresholds are printed in Program Statement 5100.08, Inmate Security Designation and Custody Classification, at pp. 14 and 61.

The federal system has no “supermax” security level. It has one administrative-maximum penitentiary — USP Florence ADMAX, universally called the ADX — and the Bureau classifies it as administrative, not high, because people are sent there on mission rather than on score. That is why searching for “the most secure prison in the US” returns the ADX but “list of high-security federal prisons” should not.

Staff score the caseOn the Inmate Load and Security Designation Form, BP‑337.

SENTRY totals the pointsSeverity of offense, criminal history, detainers, escapes, violence, age, education, drug use.

A Public Safety Factor is appliedIf one fits, it sets a floor and the point total no longer controls.

A Management Variable may shift itStaff judgment can move the placement one level up or down.

DSCC designates the institutionThe Designation and Sentence Computation Center in Grand Prairie, Texas, makes the call.

The score is the starting point, not the answer. Most people are surprised by step three: a Public Safety Factor keeps someone out of a lower‑security institution no matter how few points they scored, and no more than three may be applied at once. Steps three and four are also where a lawyer’s work actually lands — the point total is arithmetic, but the PSF and the Management Variable turn on judgment and on the record the Bureau is given.

Source: BOP Program Statement 5100.08, Inmate Security Designation and Custody Classification (Change Notice CN‑3, May 6, 2026), chs. 1, 2 and 5. Verified against the program statement text; confirm current policy before relying on it in a specific case.

High security at a glance

Facility type	United States Penitentiary (USP)
Male security point range	24 or more points (PS 5100.08 at p. 14)
Female point range for High	31 or more points (PS 5100.08 at pp. 14, 62)
Custody levels housed	IN and MAXIMUM — not COMMUNITY, not OUT (PS 5100.08 at p. 14)
USPs on BOP’s roster	15
Combined published population	16,853 (BOP facility records; totals include adjacent camps)
Share of the rostered federal population	roughly 12 percent
Administrative-maximum facility	1 — USP Florence ADMAX, classified administrative security
PSFs that force High for men	Disruptive Group; Prison Disturbance; Sentence Length over 30 years (PS 5100.08 at pp. 56–61)
Governing policy	PS 5100.08, CN-3 dated 6 May 2026
Governing regulation	28 C.F.R. pt. 524
Governing statute	18 U.S.C. § 3621(b)

Counts and populations read from the Bureau’s own facility records, retrieved 11 June 2026 and reconciled against BOP’s live roster 5 September 2026.

Keep one distinction straight throughout. A Program Statement is the Bureau’s internal instruction to its staff — agency policy, not law. The binding authority is the regulation at 28 C.F.R. pt. 524 and the statute at 18 U.S.C. § 3621(b), which gives the Bureau discretion to designate “any available penal or correctional facility that meets minimum standards of health and habitability.”

What actually makes a prison “high security”

Two numbers and one letter code.

The score: what the ten Base Score items do

A designator at the Designation and Sentence Computation Center in Grand Prairie, Texas scores ten items off the Judgment, the Statement of Reasons and the Presentence Report. At 24 points and above for men, the grid returns High with no further analysis: the Bureau’s Table 5-2 lists “24 +” against a blank Public Safety Factor column and the single word “High” (PS 5100.08 at p. 61). For women the threshold is 31 points (PS 5100.08 at p. 62).

Twenty-four points is a lot. The heaviest single items are Criminal History Score (up to 10), Severity of Current Offense (up to 7), Type of Detainer (up to 7), Serious History of Violence within five years (7), and Age 24 or under (8) (PS 5100.08 at pp. 40–45). A young man with a long criminal record, a violent instant offense, a lodged detainer and a recent assault finding reaches 24 without difficulty. A 58-year-old first-time white-collar defendant cannot get there at all.

The custody level: only a High houses MAXIMUM

High-security institutions are the only ones authorized to house MAXIMUM custody, defined as “the highest custody level assigned to an inmate requiring the highest level of security and staff supervision … for individuals who, by their behavior, have been identified as assaultive, predacious, riotous, serious escape risks, or seriously disruptive to the orderly running of an institution” (PS 5100.08 at p. 19). A change to or from MAXIMUM custody “must be justified thoroughly on the BP-338 form and maintained permanently in the Inmate Central File.” USPs are authorized for IN and MAXIMUM custody only — no OUT custody, so no work details outside the secure perimeter for anyone, and no COMMUNITY custody at all (PS 5100.08 at p. 14).

The Public Safety Factor: three that force High

Three of them force High for men, whatever the score says:

PSF	Who it applies to	Result	Source
B — Disruptive Group	A male inmate validated as a member of a Disruptive Group identified in the Central Inmate Monitoring System	Housed in a High security level institution, unless waived	PS 5100.08 at p. 56
I — Sentence Length	A male inmate with more than 30 years remaining to serve, including non-parolable LIFE sentences	Housed in a High security level institution, unless waived	PS 5100.08 at p. 58
M — Prison Disturbance	A male or female inmate found guilty of engaging in or encouraging a riot (codes such as 103, 105, 106, 107, 212, 213, 218) in conjunction with simultaneous institution disruptions	Males housed in at least a HIGH security level institution; females assigned to the Carswell Administrative Unit, unless waived	PS 5100.08 at p. 59

Two more sentence-length floors sit below those, and they are the numbers most often half-remembered: more than 10 years remaining puts a man in at least Low; more than 20 years remaining puts him in at least Medium (PS 5100.08 at p. 58). Every one of these floors can be waived — the waiver is itself a Management Variable, code S, with no expiration unless the person is later transferred to a more secure institution for behavior related to the waived factor (PS 5100.08 at p. 55).

Applied Insight — Christopher Zoukis, JD, MBA, Managing Director: The Disruptive Group factor gets applied before validation. PS 5100.08 tells DSCC staff that if the Presentence Report “identifies the inmate as a possible member” of a CIM Disruptive Group, they enter the PSF, note in the Remarks section that validation is needed on arrival, and notify the Central Office Intelligence Section — validation then happens at the institution (PS 5100.08 at p. 56). That means a paragraph of Presentence Report narrative can land someone in a penitentiary before anyone has confirmed it. Whether the validation ever happened, and on what, is a question worth asking at the first program review.

Which people are confined in maximum-security federal prisons

Not the ones you would guess from the offense. The federal designation grid never names a crime. It scores criminal history, documented violence, escape history, detainers, age, education, drug history, and severity of the instant offense behavior — and then it applies the three Public Safety Factors above.

What that produces, in practice, is a population defined by three overlapping things:

• Long sentences. The over-30-years factor sweeps in life sentences and their functional equivalents automatically. A man serving 40 years who has never had an incident report is a high-security designation on time alone until the remaining term drops.
• Institutional history. Serious History of Violence within five years scores 7 points on its own, and any UDC or DHO guilty finding during the current term is scored as a “history” item, not excluded (PS 5100.08 at p. 42). Disciplinary findings at a lower-security prison are precisely how people arrive at a USP.
• Validated group affiliation. The Disruptive Group factor is the shortest route from a low score to a penitentiary.

The corollary matters for families: a high-security designation is not a moral judgment about the person, and it is not permanent. It is a snapshot of points and factors that gets rescored at every program review.

Every U.S. penitentiary, by state

Fifteen institutions. Populations are BOP’s published totals from the June 2026 capture; ten of the fifteen have an adjacent minimum-security satellite camp and BOP’s total includes it, which is why some numbers look larger than the penitentiary itself.

State	Penitentiary	BOP population	Adjacent camp	Region
Arizona	USP Tucson	1,112	Yes	Western
California	USP Atwater	1,256	Yes	Western
California	USP Victorville	1,004	No	Western
Colorado	USP Florence – High	826	No	North Central
Florida	USP Coleman I	1,228	No	Southeast
Florida	USP Coleman II	1,058	No	Southeast
Indiana	USP Terre Haute	1,127	Yes	North Central
Kentucky	USP Big Sandy	1,312	Yes	Mid-Atlantic
Kentucky	USP McCreary	1,466	Yes	Mid-Atlantic
Louisiana	USP Pollock	910	Yes	South Central
Pennsylvania	USP Allenwood	343	No	Northeast
Pennsylvania	USP Canaan	1,428	Yes	Northeast
Texas	USP Beaumont	1,234	Yes	South Central
Virginia	USP Lee	1,242	Yes	Mid-Atlantic
West Virginia	USP Hazelton	1,307	Yes	Mid-Atlantic

Two things in that table are worth a second look. USP Allenwood’s published population of 343 is a fraction of every other penitentiary’s, a difference large enough that anyone analyzing a designation there should confirm the institution’s current operating posture with the unit team. And USP Florence – High is a separate institution from USP Florence ADMAX, even though both sit on Highway 67 South in Florence, Colorado and share a complex. A locator result showing “Florence” tells you very little on its own.

There is also one administrative-security penitentiary, which is not on the list above because BOP does not classify it as high security:

State	Facility	Classification	Region
Colorado	USP Florence ADMAX	Administrative security U.S. penitentiary	North Central

Penitentiaries that are no longer penitentiaries

This is where most published “list of maximum security prisons” pages are simply wrong, and it is the single most useful thing on this page if you are working from older information.

Several institutions the public still calls penitentiaries are carried on BOP’s current facility roster as Federal Correctional Institutions at low or medium security:

Still commonly called	On BOP’s current roster	Security level	Published population
USP Atlanta	FCI Atlanta	Low (with a detention center)	1,822
USP Leavenworth	FCI Leavenworth	Medium (with adjacent camp)	1,614
USP Lewisburg	FCI Lewisburg	Medium (with adjacent camp)	1,146
USP Marion	FCI Marion	Medium (with adjacent camp)	1,203
USP Thomson	FCI Thomson	Low (with adjacent camp)	2,100
USP Lompoc	FCI Lompoc I and FCI Lompoc II	Low; Low with adjacent camp	875; 2,195
USP Yazoo City	No USP appears at Yazoo City on BOP’s roster — only FCI Yazoo City Low, FCI Yazoo City Low II and FCI Yazoo City Medium	Low / Medium	—

Two footnotes. PS 5100.08 itself has not caught up: Chapter 7 still describes “USP Marion/ADX Florence general population units” as a joint designation program with its own referral procedure (PS 5100.08 at pp. 100–102), even though Marion is now a medium-security FCI on the Bureau’s roster. And FCI Yazoo City “Low II” is classified MEDIUM on BOP’s live roster while keeping “Low” in its name — the only security-level discrepancy across the Bureau’s 118 institution records.

If you are trying to find where a specific person is, do not work from any list. Use the BOP Inmate Locator, which returns the facility the Bureau currently shows, and see how inmate number search works for the register-number mechanics.

USP Florence ADMAX: the one administrative-maximum penitentiary

The ADX is a single institution in Florence, Colorado, and the Bureau classifies it as administrative security — a facility “with a special mission, where inmates are assigned based on factors other than security and/or staff supervision,” designed to house all security levels (PS 5100.08 at p. 16). Placement there is a designation decision, made through a documented referral process, not a sentence a judge imposes.

PS 5100.08 sets out that process, and it is more specific than most people expect:

• Try a transfer first. “Prior to referring an inmate to USP Marion or ADX Florence, redesignation to another high security institution should be considered first” (PS 5100.08 at p. 100).
• The warden refers; a Regional Director decides. The referral goes from the Warden to the North Central Regional Director, who “has final review authority” and who may approve one destination when the referral asked for the other (PS 5100.08 at pp. 100–101).
• The packet is fixed. A memorandum from the Warden with the specific rationale; copies of all disciplinary reports, investigative materials and other official documentation about the behavior; a current Progress Report; a copy of the latest Presentence Report; and a recent psychiatric or mental health evaluation (PS 5100.08 at p. 101).
• MAXIMUM custody is a prerequisite. “Prior to transfer to USP Marion or ADX Florence, staff at the sending institution will ensure that the inmate is assigned Maximum custody” (PS 5100.08 at p. 101).
• Serious mental illness is a stated bar. “Inmates currently diagnosed as suffering from serious psychiatric illnesses should not be referred for placement at either USP Marion or ADX Florence” (PS 5100.08 at p. 101).
• There is a response window. The Regional Director’s answer “will ordinarily be made … within 60 calendar days after receiving the referral packet,” recorded in the Bureau’s system on the CIM Clearance and Separatee Data screen with a memorandum to the requesting Warden to follow (PS 5100.08 at pp. 101–102).
• There is a way out. On successful completion of the program the Warden submits a transfer request through the North Central Regional Director to the DSCC, using Code 308 — Lesser Security; someone completing the ADX program “will be transferred to a High Security facility” (PS 5100.08 at p. 102).

Alongside the ADX general population sits the Control Unit, governed by PS 5212.07, Control Unit Programs (20 February 2001), which quotes the control-unit regulations as they read when it issued. Control units exist “to place into a separate unit those inmates who are unable to function in a less restrictive environment without being a threat to others or to the orderly operation of the institution” (PS 5212.07 at p. 1). Three procedural facts are worth knowing:

1. On admission, staff must give notice of the projected duration of confinement — the person’s “unit status” (PS 5212.07 at p. 16).
2. Unit status “may range from one month to any definite number of months,” and the unit team may raise or lower it based on documented behavior in the unit (p. 16).
3. Unit status is reduced day for day for time spent in administrative detention before actual placement — both the time after a disciplinary hearing but before the placement decision, and the time after the decision but before the move. Time in disciplinary segregation is not credited (p. 16).

Our policy explainer on Control Unit Programs goes through the referral, hearing and appeal machinery in full. The day-to-day conditions of restrictive housing — Special Housing Units, administrative detention, disciplinary segregation — are covered on solitary confinement and Special Housing Units, which is where that subject belongs.

Special Management Units

The SMU is the other restrictive program that sits at the high-security end, and it is distinct from both the ADX and the SHU. It is governed by PS 5217.02, Special Management Units (9 August 2016), which rescinded the 2008 edition.

SMU designation is non-punitive, and the Program Statement says so on its first page (PS 5217.02 at p. 1). Referral criteria are enumerated: participation in — or a leadership role in — disruptive geographical group or gang activity; a history of serious or disruptive disciplinary infractions; commission of any 100-level prohibited act after being classified as a member of a Disruptive Group; participation in or organization of group misconduct that adversely affected the orderly operation of a facility; or other activity requiring greater management of the person’s interaction with others (p. 3). One threshold rules many cases out: the inmate must have at least 24 months left on the sentence (p. 3).

The program has three levels and a stated length:

Level	Expected completion	Reviews
One	6–8 months	Initial programming assessment within 28 days of arrival, then at least every 90 days
Two	2–3 months	At least every 90 days
Three	1–2 months	At least every 90 days
All levels	9 to 13 months	—

Reproduced from PS 5217.02 at p. 9; the Purpose and Scope section states the expectation as “approximately 12 months” (p. 1).

The minimum conditions are written down, and they are the most concrete thing a family can hold the institution to (PS 5217.02 at pp. 7–8):

• Recreation: the opportunity to exercise outside the cell for at least five hours per week, ordinarily in one-hour periods on different days. The Warden may deny exercise for up to one week at a time if the person’s recreation itself jeopardizes safety, security or orderly operation — but recreation “may not otherwise be limited, even as part of a disciplinary sanction imposed under 28 CFR part 541.”
• Showers: the opportunity to shower and shave at least three times per week.
• Telephone: a minimum of two completed calls per month, unless telephone restrictions are imposed under 28 C.F.R. part 541, increasing as the person progresses through the levels. Calls are live-monitored where feasible; where not, they are “normally reviewed within 24 hours,” and non-English calls are submitted for translation.
• Medical: a health services staff member visits daily.
• Mental health: an evaluation by mental health staff every 30 days.
• Conditions review: the Warden designates staff to review each SMU inmate’s conditions every 30 days, on form BP-A0951, with the original retained in the central file.
• Notice and appeal: inmates receive form BP-A0937, Notice to Inmate of Designation to a Special Management Unit, informing them of the right to appeal the designation and of their individual conditions of confinement (p. 2).
• Mental-health removal: a person may be removed from the SMU if it becomes clear their mental health does not reasonably allow completion of the program; the recommendation goes to the Administrator, Psychology Services Branch at Central Office (p. 2).

The designation itself gets a hearing. The Regional Director decides whether sufficient evidence exists; Psychology Services reviews the mental health record for anything precluding placement; a Hearing Administrator — trained and certified as a Discipline Hearing Officer, impartial, and not a witness or victim in any related disciplinary action — conducts the hearing. The person must be served form BP-A0935 at least 24 hours before it, read aloud if they cannot read and translated if they do not speak English, and has the opportunity to appear, make an oral statement, and present documentary evidence and written witness statements (PS 5217.02 at pp. 3–4). Full walkthrough on our Special Management Units page.

A third program, the Communications Management Unit, restricts contact with the outside rather than movement inside. PS 5214.05, effective 26 February 2026, rescinded the 2015 edition and introduced three CMU phases and an “Enhanced Classification Range.” A CMU is “a general population housing unit where inmates ordinarily reside, eat, and participate in all educational, recreational, religious, visiting, unit management, and work programming, within the confines of the CMU,” and its purpose is “to provide an inmate housing unit environment that enables staff to more effectively monitor communication between inmates in CMUs and persons in the community” (PS 5214.05 at pp. 1–2). Like the SMU, CMU designation is non-punitive. See Communications Management Units.

Violence in high-security prisons

We are not going to publish a violence rate here, and you should be skeptical of pages that do. The Bureau does not publish a per-security-level assault rate in the policy documents that govern designation, and a percentage nobody can source is worth nothing when the question is whether your son is safe tonight.

What is documented is how the Bureau itself manages the risk, and those mechanisms are the ones a family can actually use:

• Separations. 28 C.F.R. § 524.72(f) creates the Central Inmate Monitoring separation assignment for people “who may not be confined in the same institution (unless the institution has the ability to prevent any physical contact between the separatees) with other specified individuals.” Testimony, information given to authorities, and documented aggressive or intimidating behavior toward specific individuals are all listed factors. Notice of a separation deliberately omits the names (§ 524.73(b)).
• CIM review cadence. The Warden must consider the status of a CIM assignment at each program review (28 C.F.R. § 524.75), and an inmate “may at any time appeal … the inmate’s classification as a CIM case” through the Administrative Remedy Program (§ 524.76).
• Protective custody. The formal route out of a threat is protective custody, which in practice usually means the Special Housing Unit, with the restrictions that come with it.
• Lockdowns and modified operations. After a serious incident an institution moves to modified operations; what that means for visits, phones and movement is set out in the Bureau’s lockdowns policy.
• Contraband operations. Enforcement sweeps produce mass involuntary transfers. In August 2026 the Bureau ran a multi-agency operation at a medium-security institution and transferred forty men out as follow-up (BOP news story, 2 September 2026). The same posture applies at penitentiaries. See searches, shakedowns and contraband.

The single most consequential preventive step is unglamorous: get any separation, threat, or gang-conflict information into the record before a designation is made, through the unit team and, if necessary, through the Administrative Remedy Program. After the fact, the options narrow to protective custody and a transfer request.

Maximum-security prison culture

The physical reality of a USP is set by two policy facts already stated: no OUT custody, and MAXIMUM custody authorized. Nobody works outside the fence. Movement is controlled. Housing is cellular. Beyond that, the honest answer is it varies by institution — and what governs the variation is the institution supplement, the local written policy each warden issues under the national Program Statement. Recreation hours, commissary days and limits, phone schedules, visiting days, property allowances and movement times are all local. Two penitentiaries in the same region can run very differently.

The national floors are national, though, and they do not disappear at a USP. Visiting, telephone, correspondence, email through TRULINCS, commissary, recreation and medical care all run on Bureau-wide policy with local implementation. So does classification: 28 C.F.R. § 524.11 requires initial classification within 28 calendar days of arrival, program reviews at least every 180 days, tightening to every 90 days within twelve months of the projected release date, and 48 hours’ notice before each appearance.

What is different is the weight of the population’s sentences and the density of Central Inmate Monitoring assignments. That changes how people organize themselves and how much a small dispute can escalate. It also changes what a single incident report costs: at a penitentiary, a guilty finding is scored as a history item at the next classification and can support a Greater Security Management Variable, an SMU referral, or an ADX referral. The inmate discipline process is not a formality here.

Vulnerable populations: sex offenders, informants and LGBTQ people

People carrying the Sex Offender Public Safety Factor

The factor applies where behavior in the current term or prior history includes one of six enumerated categories, and a conviction is not required — if the Presentence Report or other official documentation clearly describes the behavior, the factor is applied, expressly including where a plea bargain produced a conviction for something else (PS 5100.08 at p. 57). The factor sets only a Low floor, so it does not put anyone in a penitentiary — but points can, and a person with this factor and a 24-point score goes to a USP, where the exposure is at its highest. See surviving prison as a sex offender and sex offender treatment programs.

People who cooperated

Cooperation is documented in the Presentence Report and the Statement of Reasons and becomes a separation assignment under 28 C.F.R. § 524.72(f). At a penitentiary the gap between “documented” and “known on the compound” is narrow. Protective custody is the formal answer and it is expensive in every sense; the conversation should happen before the designation, not after an incident.

LGBTQ people and people with serious mental illness

Housing decisions for these groups are governed outside the security-score system: PREA-based sexual-abuse prevention, gender dysphoria management, suicide prevention, and the treatment and care of inmates with mental illness. Mental-health care level is a separate track from the security score, defined at PS 5310.16 at p. 8: CARE1-MH (no significant mental health care) through CARE4-MH (inpatient psychiatric care, for a person who is gravely disabled and cannot function in a general population setting). A CARE4-MH assignment routes someone to a Federal Medical Center rather than a penitentiary, and PS 5217.02 bars SMU placement where mental health precludes it.

Why “famous federal prisoners” lists are usually wrong

The high-traffic version of this question is “which celebrities are in which federal prison.” We are not going to answer it, for a reason that is practical rather than squeamish.

The Bureau moves people constantly and does not announce it. Redesignations happen for security-level changes, nearer-release transfers, medical referrals, separations, disciplinary transfers and population management, each with its own code (PS 5100.08 at p. 103). Any published list of who is housed where is a snapshot that starts decaying the day it is written, and most of the ones circulating online are years stale — they still list penitentiaries at Atlanta, Leavenworth, Lewisburg, Marion and Thomson, none of which is a penitentiary now.

The only current source is the Bureau’s own Inmate Locator, which returns the facility BOP currently shows for a register number or name. We explain how to use it, what it does and does not tell you, and how register numbers work, on inmate locator and how DOC inmate number search works.

What changed in 2025 and 2026

PS 5100.08 now carries three change notices

CN-1 (4 September 2019) inserted the First Step Act’s “within 500 driving miles of that residence” standard into the Introduction, into Management Variable D, and into the nearer-release transfer rule. CN-2 (6 March 2025) added definitions of female, male, sex, man and woman to Chapter 2. CN-3 (6 May 2026) rewrote Section 1 to record that in certain circumstances the Attorney General may exercise the designation authority directly, consistent with 18 U.S.C. § 3621(b), and that absent notice of that intention the Bureau follows its own procedures. All three sit at the front of PS 5100.08 at the current PDF.

PS 5214.05 replaced the CMU policy on 26 February 2026, rescinding PS 5214.02 (1 April 2015) and adding the three-phase CMU structure (PS 5214.05 at p. 1).

The Bureau announced six closures and two conversions on 1 July 2026 — Beaumont FCI Low, Big Spring FCI and camp, La Tuna FCI/FSL/camp, the Lexington FMC satellite camp, Petersburg FCI Low and Taft FCI, with Morgantown and Duluth camps converting to Federal Satellite Lows — citing a deferred-maintenance backlog exceeding $4 billion (BOP press release, 1 July 2026). No penitentiary is on that list, but every closure adds bed pressure, and “Population Management” is an express Management Variable expiring in up to 18 months (PS 5100.08 at p. 55). Full picture on major federal prison closures and deactivations.

MCC New York is off BOP’s roster entirely, and FCI Yazoo City “Low II” is now carried as medium security. Both matter to anyone comparing an old list against a current locator result.

How people move down from high security

Code 308 — Lesser Security

When an updated custody classification lowers the security level, the case “must be referred to the DSCC for either transfer or application of a Management Variable” (PS 5100.08 at p. 86). Code 308 is the transfer code for a move to less security — the Bureau’s own example in the code list is “High to Medium” (PS 5100.08 at p. 103).

The score has to change first, and the ways it changes are limited

Age moves it automatically at 25, again at 36, and again at 55. A GED takes the education item from 2 to 0. A detainer that is lifted removes up to 7 points. Time served eventually drops the remaining term under 30 years and then under 20, which retires the Sentence Length factor’s higher floors. Violence and escape history age out into lower brackets at the 5-, 10- and 15-year marks (PS 5100.08 at pp. 42–43).

The custody clock: when classification is redone

The first custody classification happens at the first program review, roughly seven months after arrival; after that at least every 12 months, with off-cycle scoring only for changes that move the overall level — an incident report, a refused Financial Responsibility Program, a new sentence, a sentence reduction (PS 5100.08 at p. 63).

Code 313 — Nearer Release

Available only after 18 consecutive months of clear conduct in general population, and to be combined with a Lesser Security transfer where possible (PS 5100.08 at p. 87).

PSF waiver: when a factor rather than the score holds the level

Where a Public Safety Factor rather than the score is holding the level, the route is a waiver — Management Variable S, PSF Waived, which has no expiration but is removed if the person is later transferred to a more secure institution for behavior related to the waived factor (PS 5100.08 at p. 55).

None of this is automatic, and nobody can tell you it will happen. What can be done is to make sure the score is right, the factors are supported by the documentation the policy requires, and the request in front of the unit team is the one the DSCC can actually act on. See the federal inmate transfer process and securing the right transfer in the Bureau of Prisons.

Working with our team on a penitentiary designation

Elizabeth Franklin-Best, P.C. is a nationwide federal practice with more than 20 years of federal and appellate criminal defense experience, run on an intentionally small caseload from offices in Columbia and Mount Pleasant, South Carolina. At the high-security end our work is documentary and specific: reading the Presentence Report and Statement of Reasons against the BP-337 and BP-338; testing whether a Disruptive Group factor was ever validated and on what; testing whether a Severity of Current Offense score survives the sentencing judge’s own findings; and building SMU, ADX and Lesser Security submissions that address the criteria the policy actually names rather than the ones people assume. Where a scoring problem traces to the underlying record, the legal work is handled by Elizabeth Franklin-Best and the firm’s attorneys.

Designation and redesignation are discretionary decisions of the Bureau under 18 U.S.C. § 3621(b). We cannot promise a transfer or a security-level reduction, and no one honestly can. What we can do is make sure the decision is being made on a record that is accurate. To talk it through, contact our office at (843) 620-1100. If the real question is getting out earlier rather than moving to a different institution, start with federal prison early release, compassionate release, a § 2255 motion, or a federal appeal.

For the rest of the system, see minimum security, low security, medium security, administrative-security prisons and federal medical centers, or the overview at federal prison security levels.

Frequently Asked Questions About High-Security Penitentiaries

Authorities Cited

Every source relied on above, cited in full and linked once. Page references in the text are to the editions listed here.

• BOP Program Statement 5100.08 — U.S. Dep’t of Justice, Federal Bureau of Prisons, Inmate Security Designation and Custody Classification (Sept. 12, 2006), as amended by Change Notice CN-3 (May 6, 2026)
• BOP Program Statement 5212.07 — U.S. Dep’t of Justice, Federal Bureau of Prisons, Control Unit Programs (Feb. 20, 2001)
• BOP Program Statement 5214.05 — U.S. Dep’t of Justice, Federal Bureau of Prisons, Communications Management Units (Feb. 26, 2026)
• BOP Program Statement 5217.02 — U.S. Dep’t of Justice, Federal Bureau of Prisons, Special Management Units (Aug. 9, 2016)
• BOP Program Statement 5310.16 — U.S. Dep’t of Justice, Federal Bureau of Prisons, Treatment and Care of Inmates with Mental Illness (May 1, 2014), as amended by Change Notice CN-1 (Feb. 18, 2025)
• 18 U.S.C. § 3621 — Imprisonment of a convicted person
• 28 C.F.R. pt. 524 — Classification of Inmates
• 28 C.F.R. § 524.11 — Process for classification and program reviews
• 28 C.F.R. § 524.72 — CIM assignment categories (Subpart F — Central Inmate Monitoring System)
• BOP news release, Sept. 2, 2026 — Federal Bureau of Prisons, Multi-Agency Operation Conducted at FCI Bennettsville
• BOP press release, July 1, 2026 — Federal Bureau of Prisons, Facility Closures and Conversions

Reviewed for legal accuracy by Elizabeth Franklin-Best, Esq., Principal Attorney·September 2026