I really don't get into conspiracy theories much. It gives the 'bad guys' too much credit, but to humor myself I sometimes watch this video that makes my stomach drop, and my mind weak. This X-Files video was aired March 4th, 2001. Five months before the biggest terrorist attack in our history.
The link between the X-Files plot and the 9-11 conspiracy is pretty weak (sarcasm), here you go:
Short post. Nothing more. Have fun.