The authors furnish some good arguments to support this thesis:
The entire “war on terror,” from the initial 9/11 terrorist attacks in 2001 to the most recent scare over cargo shipments from Yemen, is characterized by the unexplained and highly suspicious role of the American security apparatus, which has repeatedly acted in a fashion that suggests that it is promoting and facilitating terrorist provocations—which are then utilized to promote the military and foreign policy goals of American imperialism—rather than preventing them.