Detroit Police "Chief for a Day" Carter Widmer, 7, arrives at the Detroit Public Safety Headquarters on Wednesday, Dec. 23, 2015, in Detroit. Widmer donated $250 of his Christmas money to the Detroit Police K-9 Unit. (John T. Greilick/Detroit News via AP) DETROIT FREE PRESS OUT; HUFFINGTON POST OUT; MANDATORY CREDITDETROIT (AP) — The son of a Detroit Police Department lieutenant got to boss around his old man — and his old man's boss — for a day.