Hi there. Just out of curiosity, why didn't you post this story in Above Top Secret?
Here is another report to review.
business.timesonline.co.uk...
These were the grounds of which he was arrested.

Mr Raissi, they said, was the “lead instructor” for the hijackers. The courts were told there was evidence that he falsified flight logs to
hide the fact he trained Hanjour. Videotape had been found of Hanjour and Mr Raissi together. A notebook said to belong to Abu Doha, a major terrorist
suspect, that had been found in London contained Mr Raissi’s phone number.

All these allegations proved completely false and unfounded.
Here are some related Abovetopsecret threads...
Okay just did a search and found only individual posts pertaining to this topic. I'll try and get some back round context into this important
discussion.