Police have confirmed that a body found Monday in Marshalltown was that of an Iowa woman who went missing about a month ago. An autopsy performed Tuesday confirmed the remains found Monday morning in a farm field just east of the Marshalltown Walmart belonged to Michelle Grommet, according to a news releast from the city’s police department. “There is no evidence which suggest foul play associated with Ms. Grommet’s death” the release states. A cause of death has not been determined. Grommet was reported missing March 22nd and was last seen March 15th.