Jeffrey Concepcion
Jeffrey Concepcion, 43, of Monterey County, died on May 20, 2023 at High Desert State Prison in Susanville, after staff saw two other incarcerated men assault him on the C yard. He was taken to the prison's treatment area and pronounced dead at 7:45 p.m. by the Lassen County Coroner. The California Department of Corrections and Rehabilitation is investigating the death as a homicide, and two men held at the prison were later tried in connection with it. The Lassen County Coroner will determine the official cause of death.
Cause of death, as reported: Killed by another person in custody. CDCR says two other incarcerated men assaulted him on the C yard and is investigating the death as a homicide, though the Lassen County Coroner had not yet ruled on the official cause.
Reported by: California Department of Corrections and Rehabilitation (the agency that held him). The only account of how this person died comes from the agency that held him.
News reports (5)
- 2 inmates accused of killing another in California prison
- HDSP Investigating Death of Incarcerated Person as Homicide - California Department of Corrections and Rehabilitation
- Inmate from Monterey County killed in prison
- High Desert State Prison Investigates Inmate Homicide
- Two HDSP inmates convicted of 2023 murder