the spiritual leader. he knew the players. >> every thursday night, he would have a gathering at his home. >> these thursday night meetings were not just core cell members, like biker gangs that hang arounds. they would come and mohammed hammoud would appreciate to them. >> he was almost a dr. jekyll and mr. hyde personality. >> he was a low-key polite on one hand. at the meetings he would get fired up he would be the motivational speaker. >> he would show speeches by hezbollah leadership, videos of hezbollah operations overseas. >> and they would cheer as these attacks were depicted on their propaganda videos killing americans, killing people. >> and he'd solicit donations for the cause. >> did you have someone on the inside of the cell? >> i can never discuss sources or methods. >> after this hour had passed, a lot of people would leave, but there was a core group there. then they would start talking about their activities.