Brown v. Plata, 563 U.S. 493 (2011)
Brown v. Plata is a landmark Supreme Court decision addressing the constitutional limits of prison conditions and the scope of federal remedial power under the Prison Litigation Reform Act (PLRA).
Whether the three-judge district court's population-cap order requiring California to reduce its prison population to 137.5% of design capacity within two years satisfied the PLRA and the Eighth Amendment, including the requirements that overcrowding be the primary cause of the constitutional violations, that no other relief would remedy those violations, that the remedy be narrowly drawn and the least intrusive means, and that substantial weight be given to public safety.
The Eighth Amendment prohibits cruel and unusual punishments, including deliberate indifference to prisoners' serious medical needs and substantial risks of serious harm (Estelle v. Gamble; Farmer v. Brennan). Under the Prison Litigation Reform Act, prospective relief in prison-conditions cases must be narrowly drawn, extend no further than necessary to correct the violation of the federal right, and be the least intrusive means necessary, with substantial weight given to any adverse impact on public safety and criminal justice operations (18 U.S.C. § 3626(a)(1)(A)). A prisoner release order—such as a systemwide population cap—may be entered only by a three-judge district court after prior, less intrusive orders have failed to remedy the violation, and only if the court finds by clear and convincing evidence that (1) crowding is the primary cause of the violation and (2) no other relief will remedy the violation (§ 3626(a)(3)). Appellate review of equitable remedial choices is deferential, assessing legal conclusions de novo, factual findings for clear error, and overall remedial decisions for abuse of discretion.
Affirmed. The three-judge district court properly entered a population-cap order requiring California to reduce its prison population to 137.5% of design capacity. The order complied with the PLRA: overcrowding was the primary cause of ongoing Eighth Amendment violations in medical and mental health care; less intrusive remedies had been tried for years and failed; the order was narrowly drawn, extended no further than necessary, and was the least intrusive means; and the court gave substantial weight to public safety while affording the State flexibility in how to comply.
Brown v. Plata is a foundational case on prisoners' rights and institutional reform remedies. It clarifies how the PLRA channels systemic relief: when less intrusive orders fail, and overcrowding is the primary cause of Eighth Amendment violations, courts may impose population caps if the remedy is narrowly tailored and sensitive to public safety. For law students, Plata illustrates the interplay between constitutional standards (deliberate indifference), equitable remedial principles, evidentiary burdens under the PLRA, and the practical limits of judicial deference in the face of persistent constitutional harm. It is a leading example of structural injunctions in constitutional litigation and the careful calibration courts must undertake to enforce rights without commandeering policy choices.