Lowell Edwin Amos (born January 4, 1943 in Anderson, Indiana) is a convicted murderer whose mother and three wives all died under suspicious circumstances. He was convicted in 1996 of murdering his third wife, Roberta Mowery Amos. Lowell Amos was the subject of a 2006 Lifetime Network made-for-TV movie called Black Widower. Amos is a former General Motors plant manager. Some sources spell his first name as "Lowel".