YAZOO COUNTY, Miss. (WJTV) – An inmate died after being found unresponsive at a federal prison in Mississippi.

According to the Federal Bureau of Prisons, Robert Angelo Mangine, 51, was found unresponsive at the Federal Correctional Institution (FCI) Yazoo City Medium around 1:30 p.m. on Friday, September 13.

Officials said responding employees initiated life-saving measures, and emergency medical services (EMS) were requested while life-saving efforts continued. Mangine was pronounced deceased by EMS personnel.

The Federal Bureau of Investigation (FBI) was notified.

Officials said Mangine was sentenced in the Northern District of Iowa to a 420-month sentence for Conspiracy to Distribute 500 Grams or More of Methamphetamine Within 1,000 Feet of a School Zone, Felon in Possession of a Firearm, Possession with Intent to Distribute 20.85 Grams of Methamphetamine, and Carrying a Firearm in Relation to a Drug Trafficking Crime. He had been in custody at FCI Yazoo City Medium since July 15, 2022.