An inmate from Ottumwa was found dead inside his prison cell.  32-year-old Joshua Michael Pierce was found dead early Monday morning (8/16) inside his cell at the Clarinda Correctional Facility.  An autopsy will determine the cause of death.  Pierce was serving a 40 year sentence for operating a vehicle without consent, being a felon possessing a firearm, being armed with intent and being a habitual offender.  Pierce had been in jail since January 2018.