From PJ Media: “The popular owner of the restaurant is an Israeli Christian from Haifa. The husband of one of the victims claimed on Twitter last night that the suspect entered the restaurant and asked where the owner was from.”
He said, Israel, and the attack commenced. Well there is your motive: the owner was from Israel.
Poor guy was probably a 3 timer in the eyes of the Jihadist.
1. Israeli, 2. Christian, 3. Probably an American Citizen.