UPDATE: Friday 1: 30 p.m. Currently investigators from the Mason County Sheriff's Office, Michigan State Police, F.B.I., Oceana County Sheriff's Office, Michigan Department of Corrections, and Fire Departments from the Mason County Fire Departements are conducting a search for any evidence relating to the whereabouts of SHELBIE-ELIZABETH PHILLIPS in the area bounded by US 31, Fountain Rd., Amber Rd. and Dewey Rd.