(Fremont Co., IA) -- A 12-year-old is accused of making a threat toward a school in Fremont County, Iowa. The Fremont County Sheriff's Office says the 12-year-old threatened to bring a gun to the Fremont-Mills School District building in Tabor, Iowa Tuesday. Sheriff's office investigators say the threat was credible and the 12-year-old was arrested. He's charged with threat of terrorism.