Maine State Prison inmate Charles L. Pettigrow, 47, died around 3:45 p.m. Saturday, according to the Maine Department of Corrections. State police and the Office of Chief Medical Examiner both were notified following Pettigrow’s death inside the Warren prison, the department said in a statement, adding that both organizations will review the death. Pettigrow was serving time for two counts of theft by unauthorized taking or transfer, and for eluding an officer.