Died in prison
Johnathan Adam Brancheau
Johnathan Adam Brancheau, 28, died on Sunday, September 6, 2026, at Carson City Correctional Facility, a state prison in Montcalm County, Michigan. Corrections staff found him in his two-person cell, and he was pronounced dead at the scene. Michigan State Police are investigating his death as a homicide and believe his 26-year-old cellmate may have killed him. The investigation was ongoing as of September 8.
Cause of death, as reported: Killed by another person in custody. Michigan State Police are investigating his death as a suspected homicide and have identified his cellmate as a suspect.
Reported by: Michigan State Police (outside investigators).
Sources (5)
- Man's death at mid-Michigan prison being investigated as suspected homicide
- Death of Carson City Correctional Facility inmate believed to be homicide
- Police investigate suspected homicide at Carson City Correctional Facility
- Carson City Prison Death Probed as Homicide, Cellmate Named as Suspect
- Man dies in suspected homicide at Carson City prison