Police are calling it an unattended death at the Oahu Community Correctional Center. Officials said a social worker collapsed at the facility Friday afternoon.
Staff performed CPR and used the Automatic External Defibrillator on the 45-year-old man. Ambulance crews took him to Kuakini Medical center were he was pronounced dead.
The Public Safety Department said the victim appeared to have suffered from a heart problem. An autopsy is expected sometime next week.