A former Chicago cop was in jail today, accused of threatening people involved in investigating the deadly shooting of a Fox Lake, Illinois, police officer. On Friday, a man later identified as retired Chicago Police Officer Joseph Battaglia, blocked his number and called the Lake County Coroner’s Office, the Lake County Sheriff’s Office said. "The subject said he was a 'retired police officer' and threatened to harm all of the Task Force members, as well as all of the other investigators involved in the death investigation of Fox Lake Police Lieutenant [Charles Joseph] Gliniewicz," the Sheriff's Office said in a...