It is interesting that folks that claimed to watch the video said that the first victim that greeted him at the mosque called him brother, as if they were well known to each other.
Posing as a convert to Islam in order to gain trust and familiarity with the layout is something that indicates some sophistication, and is often undertaken by state actors infiltrating for cointelpro purposes, to set up false flags, or canned terrorist hunts, where they basically entrap some patsy into agreeing to execute some plan the agencies devise themselves.
The first World Trade Center bombing is notorious because the FBI supplied the munitions and plans that would have resulted in successful destruction of the structure had the plans been followed. The person that planted the bomb just parked the van in the wrong place.
Are you calling the Muslim victims Zionists? The language you use here is a bit confusing to me.