View Comments An inmate at the Marion County Jail died Monday in what appears to be a suicide, the Marion County Sheriff's Office said. Michael Aston, 43, was found unresponsive and not breathing by jail staff at 9:47 p.m. Monday. Deputies initiated CPR, a spokesperson for the sheriff's office said, and called for both on-site medical staff and Indianapolis Emergency Medical Services. Emergency workers pronounced Aston deceased at 10:09 p.m. "Preliminary information, which is subject to investigation, suggests that the death was a suicide by hanging," the spokesperson said in a prepared statement sent Tuesday. Aston was not housed in the suicide housing unit because he didn't show signs of suicidal ideations, according to the spokesperson, who said at the time of his death Aston was experiencing substance abuse withdrawal.