Please read this document and include it as a starting point for your investigations into 9-11 crimes.
http://www.bollyn.info/articles/911/theisraelinetworkbehind911/
I cannot personally vouche for this information, but I've given it a once-over and it all looks in order. The document pulls together information that I have seen elsewhere and that I have judged to be correct. I give this set of leads a confidence of approximately 75%. (Not that it doesn't necessarily deserve more.)