State Police are investigating the death of an inmate Thursday

State Police are investigating the death of an inmate Thursday morning at the Southern State Correctional Facility in Springfield. Police say William Barrett, 63, of Brattleboro, was found unresponsive in his cell at about 8:30 a.m. Despite life-saving measures, he was pronounced dead a short time later. Police say the death does not appear to be suspicious and is suspected to be the result of a medical event. They say the results of an autopsy are pending. Barrett had been in custody since last year on charges including sexual assault of a victim under the age of 16.