Maybe he bumped her off so he wouldn’t have to go for a second annulment.
Did he get a first annulment? There was about a three-week gap between the first divorce and his second marriage. Obviously a whirlwind courtship. The second marriage was in April 1994 and their first child’s date of birth is given as “1994” (no month given). Presumably born in late December and just a bit premature...