A male inmate was pronounced dead on Sunday, March 30 while in custody at the Robert Presley Detention Center, the Riverside County Sheriff’s Department announced. Deputies found the unresponsive man in his cell and attempted life-saving measures, but paramedics pronounced him dead. The inmate was identified as 49-year-old Stephen Alan Frost of Riverside. Frost was booked March 25 on suspicion of public intoxication and obstructing an officer, with a felony revocation hearing for a possible probation or parole violation, according to inmate records. He was being held without bail and had an out-of-county warrant. Investigators said there were no signs of foul play. The sheriff’s department is investigating the death. Anyone with relevant information can contact investigator Brett Devine at 951-955-7019. Riverside County: The deadliest year inside one of America’s deadliest jail systems Related Articles Actress Kim Delaney, partner arrested in alleged domestic dispute Public defender Scott Sanders, who upended OC’s legal landscape, retires after 32 years Thomas Goethals, veteran judge whose rulings rocked the OC legal community, is retiring Lawmakers pushing to disqualify aging violent sex offenders from early parole Man arrested, suspected in death of victim found assaulted in a Hemet parking lot       ...read more read less