Something he and the San Bernardino killers had in common. Sounds like an ISIS recruiting trip.
A good ISIS soldiers beats his wife eery day at first to just get her used to the discipline a good muslim needs to love and obey her husband. Then you may slow down to 2 or 3 a week. Some prefer the spontaneous unscheduled beatings just to keep her on her toes. A-lakim a-salakim.