The RMHU unit houses inmates with lengthy disciplinary sanctions who also suffer with severe mental health issues.

[2] Marcy was the subject of an October 2022 Correctional Association of New York oversight report released in 2023 that included a two-day monitoring visit and 117 interviews with inmates.

Findings included poor food quality, a lack of hygienic goods, poor healthcare amenities due to staffing vacancies, racialized verbal and physical abuse against Black inmates, widespread violence against inmates by staff, and an unresponsive grievance process.

[3] On December 9, 2024, corrections officers allegedly fatally brutalized Robert Brooks while he was handcuffed in a medical examination room.

[4] The killing of Brooks prompted renewed scrutiny and investigations over Marcy Correctional Facility's history of abuse by staff.