Mitchell R. Cosby, 41, was fatally stabbed during an inmate-on-inmate assault at Donaldson Correctional Facility in Bessemer, Alabama. The attack occurred on Wednesday, June 15, 2022, while Cosby was serving a life sentence for a Jefferson County murder. Emergency responders arranged a life-flight to take him to a hospital, but he died of his injuries before he could receive further treatment.

The Alabama Department of Corrections confirmed the death and said its Law Enforcement Services Division opened an investigation into the circumstances. No public details about specific suspects or arrests have been released. Cosby’s killing was reported as the fourth inmate homicide at Donaldson in a four-month span, highlighting a string of violent deaths at the facility.

If anyone has information about the incident or knew Cosby while he was incarcerated, please share what can help investigators or the family.