United States v. Comstock

Background

The Government sought to use a federal law, 18 U.S.C. §4248, to keep five federal prisoners in custody past their scheduled release dates because each had a history of sexual offenses and a mental illness that made them dangerous. The statute lets the Attorney General certify such a prisoner, automatically stay release, and seek a civil-commitment hearing where the prisoner has counsel, may present evidence, and the Government must prove dangerousness by clear and convincing evidence. If a State will take custody, the person is transferred; otherwise the person may remain in federal treatment.

Reasoning

The single legal question the Court reviewed was whether Congress had power under the Constitution’s Necessary and Proper Clause to enact §4248. The majority said yes, citing five combined considerations: the Clause’s broad authority to adopt means reasonably related to enumerated powers; a long history of federal involvement in prisoner mental-health care; Congress’ role as federal custodian with an interest in protecting communities; the statute’s built-in accommodation to States by encouraging and requiring state assumption of custody; and the law’s narrow reach limited to people already in federal custody. The Court reversed the Fourth Circuit and sent the cases back for further proceedings.

Real world impact

The ruling lets the federal government use §4248 to pause releases and pursue civil commitment for certain sexually dangerous federal inmates. States can assume custody, but if they decline the federal government may place such persons in federal treatment facilities. The Court did not decide other constitutional claims, such as due process or double jeopardy, which remain available on remand.

Dissents or concurrances

Two Justices issued separate opinions joining the result but urging narrower reasoning; one Justice dissented, arguing the statute exceeded Congress’ limited, enumerated powers and warned against expanding federal police power.