How many hijackers were there in the September 11 attacks?
Hijackers in the September 11 attacks
Before the attacks, FBI agent Robert Wright, Jr. had written vigorous criticisms of FBI's alleged incompetence in investigating terrorists residing within the United States. Wright was part of the Bureau's Chicago counter-terrorism task force and involved in project Vulgar Betrayal, which was linked to Yasin al-Qadi.[18]