Joshua Tisak
Joshua Tisak, 32, died on June 21, 2026, while held at the Mercer County State Correctional Institution in Mercer. He was taken to a hospital in Grove City, where he was pronounced dead. County Coroner John Libonati ruled that the cause of death was blunt force trauma to the head, neck, and trunk. According to a State Police criminal complaint, a cellmate has been charged with criminal homicide and admitted to a fight with Tisak in their cell before his death, though the charge is an allegation that has not been decided in court.
Cause of death, as reported: Killed by another person in custody. State Police say his cellmate fought with him in their cell and has been charged with criminal homicide, and the county coroner ruled the death blunt force trauma to the head, neck, and trunk.
Reported by: State Police, in a criminal complaint (outside investigators); County Coroner John Libonati (medical examiner or coroner).