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Challenging probation detainer practices in Allegheny County

Horton et. al. v. Rangos et. al.

In October 2022, Civil Rights Corps and the Abolitionist Law Center filed a class action lawsuit on behalf of individuals detained at Allegheny County Jail against three Allegheny County judges, as well as other county, jail, and probation department officials.

The suit alleges that Allegheny County’s pervasive jailing of people on probation before their revocation hearing—without any individualized determination of whether jailing them would serve a government interest—violates their constitutional rights. Plaintiffs seek a declaration that Defendants’ policies and practices violate their rights to due process under the 14th Amendment. The plaintiffs also seek injunctive relief to change the practices they allege result in rampant illegal incarceration and money damages for every day of allegedly illegal detention that they have endured.

The lawsuit alleges that on any given day, about one third of the local jail population in Pittsburgh has a probation detainer lodged against them: about 600 people at the time of filing. Many of them are accused only of a technical violation of probation, such as failing to update their address or to meet with their probation officer. Most of the people accused of violating as a result of new charges are theoretically able to be released on either monetary or non-monetary bail, but are kept incarcerated due to the probation detainer.

The suit challenges the constitutionality of the perfunctory proceedings at which decisions regarding detainers are made and at least one judges ’ blanket administrative “no-lift” policies, automatically requiring all people they supervise who are arrested for an alleged probation violation to remain in jail, no matter the circumstances of the probation violation.

The case was filed in the United States District Court for the Western District of Pennsylvania. A motion for preliminary injunction was filed on October 3, 2022, and heard April 18, 2023. The motion was denied on December 22, 2023. Plaintiffs appealed the decision to the Third Circuit Court of Appeals shortly thereafter. The ACLU and Columbia University’s Justice Lab filed amicus briefs in support of plaintiffs. The case was argued before the Third Circuit on February 19, 2025.

In May 2025, the Third Circuit reversed the lower court’s decision to dismiss our case because our lawsuit raises fundamental concerns about basic due process in probation proceedings, thereby allowing the case to move forward. However, the majority rejected our argument that probationers are entitled to a finding that their detention is necessary before they can be detained pending a final revocation hearing and held that a mere finding of probable cause is sufficient. The court’s decision that the government can jail people without any showing that it serves any legitimate purpose is a novel ruling that appears to break with other federal courts, and we intend to seek certiorari in the United States Supreme Court to vindicate the foundational liberty interests that our constitution guarantees to all human beings to be free from unjustified government confinement. On June 4, 2025, we requested a stay of proceedings in the lower court in order to resolve the important issues in the Supreme Court. The stay was granted on June 5th.


Media Coverage:

3rd Circ. Says County Judges Need Notice To Pull Probation | Law 360 | May 2, 2025
3rd Circ. Hints County's Probation Detainers Need Scrutiny | Law360 | Feb 19, 2025
How a Probation Violation Turns Into Indefinite Jail Time | The Nation | Sep 9, 2024
Lawsuit filed over probation detainers at Allegheny County Jail | CBS News | Oct 5, 2022


Partners:

Abolitionist Law Center


Filings:

Third Circuit Opinion (May 2, 2025)
The Probation and Parole Project of The Justice Lab Amicus Brief (July 5, 2024)
ACLU Amicus Brief (July 3, 2024)
Third Circuit Appeal Opening Brief (June 28, 2024)
Order Denying Motion for Preliminary Injunction (Dec 22, 2023)
Motion for Preliminary Injunction (Oct 3, 2022)
Complaint (Oct 2, 2022)