By Tammy Stables Battaglia and Amber Hunt
Detroit Free Press
CANTON TOWNSHIP, Mich. — Shots rang out in the parking lot of the Canton Public Library this morning as an off-duty Detroit Police homicide investigator shot and killed his wife, also a DPD officer, and then shot himself, according to investigators.
Ed Williams, 36, is on life support pending organ donation, Canton Police spokesman Mark Gajeski said at noon.
Off-duty Detroit cop shoots wife, then himself