WATERLOO, Iowa (AP) --- Authorities say an 18-year-old inmate at the Black Hawk County jail in Waterloo died of natural causes. Justin Johnson, of Waterloo, died Dec. 1 after telling a deputy that he ...

WATERLOO — Authorities are investigating the death of an inmate at the Black Hawk County Jail. A fellow inmate found Michael Allen Sutton, 39, of Waterloo, unresponsive in his cell at about 1:30 p.m.