Anti Hijacking Commandos In Flight 11

In this study we see that there was Danny Lewin, operative of Israels secret service, and Captain In Sayeret Matkal inside that flight 11 first class:

judicial-inc.biz...

If this is true, its amazing that this guy is never mentioned as one of hijackers... What really happened in those planes, where did they land, who was really on the planes, is very important questions to ask.

What you think about this?