They also say in this CBS News TV report that the muslims had on the roof with them a scale model of the World Trade Center, as if they knew ahead of time what was going to happen!! Need to find a linked transcript of this!
Here’s the video where the info about the model was stated.
https://www.youtube.com/watch?v=3auKMHkZJnQ
Jersey City 9/11 Celebration Report CBS
It’s at about the 2:00 mark.