I will prove that Michael was leaving clues and hints about exposing 9/11.......
Firstly, the very famous 911 call ....Second, the backdrop in TII, Smooth Criminal, is of the New York skyline.....post 9/11. Then we have MJ Air....a boeing 747 scene......and much much more.....
[youtube]http://www.youtube.com/watch?v=_F1ZYJn3fpI&feature=related[/youtube]
[youtube]http://www.youtube.com/watch?v=cfqOLdcFeDg[/youtube]