On October 13, 1991, his estranged wife, Kristine Marie Cushing, shot and killed their two daughters, Amy Elizabeth, 8, and Stephanie Marie, 4, in their home in Laguna Niguel, California. She was found not guilty by reason of insanity, and served nearly four years in a mental institution. She received an unconditional release in 2005 when she was deemed to pose no further risk.