How federal compassionate release works, and what the Supreme Court just narrowed

Federal compassionate release lets a judge shorten a prison sentence that is already being served, but only on narrow grounds and only after a request first goes to the Bureau of Prisons. Courts decided 3,015 such motions in fiscal year 2024 and granted 481 of them, a 16.0 percent grant rate, per the U.S. Sentencing Commission's compassionate release data report published in March 2025.

The mechanism is older than its popular name. It sits in 18 U.S.C. § 3582(c)(1)(A), the statutory exception to the rule that a federal sentence, once imposed, stays fixed. On May 28, 2026, the Supreme Court decided two cases that reset its outer boundary. What follows is a description of how the process works on the record as it stands; it is general legal information, not legal advice.

Who can ask a court for compassionate release?

Two parties can file: the Director of the Bureau of Prisons, or the person serving the sentence. The statute permits a defendant's own motion only after that person "has fully exhausted all administrative rights to appeal" a failure by the Bureau to bring a motion, or after 30 days have lapsed from the warden's receipt of the request, whichever comes first, as the text of 18 U.S.C. § 3582 sets out.

That 30-day clock is the practical entry point, and it explains a striking figure in the Commission's fiscal year 2024 report: defendants filed 96.4 percent of the motions that were granted, while the Bureau of Prisons Director filed 1.7 percent. The route Congress wrote first is now the one almost nobody travels.

Federal courts publish a standard template for people filing without a lawyer. Form AO 250, "Pro Se Motion for Compassionate Release," revised September 2024, asks the movant to state which exhaustion path was used before turning to the substance of the request.

What counts as an "extraordinary and compelling" reason?

The statute never defines the phrase. It requires the court to find that "extraordinary and compelling reasons warrant such a reduction," to weigh the sentencing factors in 18 U.S.C. § 3553(a), and to stay "consistent with applicable policy statements issued by the Sentencing Commission." A separate route in the same subsection covers people who are at least 70 years old and have served at least 30 years.

The pro se form issued by the federal judiciary enumerates the categories a movant can claim:

1. Terminal illness.
2. A serious physical or medical condition, or cognitive impairment, that substantially diminishes the ability to provide self-care in prison.
3. A medical condition requiring specialized care that is unavailable in the facility.
4. An infectious disease outbreak creating a severe health risk.
5. Age 65 or older with health deterioration and at least 10 years served.
6. Status as the sole available caregiver for a dependent child or an incapacitated family member.
7. Being the victim of sexual abuse or serious physical abuse by correctional personnel.
8. Another circumstance similar in gravity to the enumerated ones.

The last item is the hinge. It is what allowed district courts to read the category broadly, and it is where the litigation of the past several years has concentrated.

What did the Supreme Court change in May 2026?

On May 28, 2026, the Court decided Rutherford v. United States, consolidated with Carter v. United States, Nos. 24-820 and 24-860, holding that a nonretroactive change in sentencing law cannot itself supply an extraordinary and compelling reason. Justice Barrett wrote for a six-justice majority; Justice Sotomayor dissented, joined by Justices Kagan and Jackson.

The disputed provision was the Sentencing Commission's 2023 policy statement at section 1B1.13(b)(6), which had recognized an unusually long sentence, combined with a later change in the law, as a qualifying circumstance. "When Congress declines to make a sentencing amendment retroactive," the Court held, "the resulting sentencing disparity cannot serve as an 'extraordinary and compelling' reason that warrants a sentence reduction."

The same day, in Fernandez v. United States, No. 24-556, the Court held that a challenge to the validity of a conviction cannot be brought as a compassionate release motion either; that claim belongs in a habeas proceeding under 28 U.S.C. § 2255. Both opinions leave medical condition, age, and family circumstances intact as grounds, the categories the majority in Rutherford described as the heartland of compassionate release. Rehabilitation alone remains barred by statute, as it was before.

The practical effect is measurable against the Commission's own numbers. In fiscal year 2024, an unusually long sentence paired with a change in law was the second most commonly cited basis for a grant, appearing in 98 cases, or 13.0 percent of those granted. That category no longer supports a reduction on its own.

What does the Bureau of Prisons do before a case reaches a judge?

A request starts inside the institution. Under Program Statement 5050.50, "Compassionate Release/Reduction in Sentence," effective January 17, 2019, the warden conducts the initial review and investigation; if the warden supports the request, it goes in writing to the Office of General Counsel, which may seek input from the Medical Director or the Assistant Director for Correctional Programs before forwarding it to the Director.

The Director makes the final administrative decision, and the program statement directs a denial to issue within 20 workdays after receipt of the referral from General Counsel. Requests based on terminal illness are to be processed within 14 days of receipt. If the Director approves, the Bureau contacts the U.S. Attorney in the sentencing district to file the motion with the court.

The Bureau's own eligibility criteria are tighter than the judiciary's form. The program statement defines terminal illness by reference to a life expectancy of "eighteen (18) months or less," and a debilitated medical condition as one leaving a person "capable of only limited self-care and is confined to a bed or chair more than 50% of waking hours." Its elderly categories run from age 65 with chronic serious conditions and half the sentence served, up to age 70 with 30 years served. Every request is also assessed for whether release "would pose a danger to the safety of any other person or the community."

How often are these motions granted, and does geography matter?

Grant rates vary widely by circuit. The Commission's fiscal year 2024 data report records rates ranging from 7.2 percent in the Eighth Circuit to 25.5 percent in the Ninth, with the Third Circuit at 9.8 percent. Small districts can post extreme figures on tiny samples: Nevada granted five of five motions that year.

The reasons courts gave for granting are also uneven, and they explain why the 2026 rulings matter more to some cases than others.

Reason cited for a granted motion, FY 2024	Cases	Share of grants
Rehabilitation	115	15.3%
Unusually long sentence with change in law	98	13.0%
Serious physical or medical condition	94	12.5%
Terminal illness	58	7.7%

Courts may cite more than one reason in a single order, so the shares do not sum to the whole. Read alongside the May 2026 holdings, the table describes a docket in transition: the medical and age-based grounds are undisturbed, and the change-in-law ground that accounted for roughly one in eight grants has been closed.

The statute itself has not changed. What changed is how far the Sentencing Commission may stretch the words inside it.

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