As an FBI Special Agent in the 1990s and 2000s , Clemente worked as a counterterrorism expert and a SWAT team member , sniper , and tactical instructor . He carried out narcotics and terrorism investigations around the world . In the late 1990s , he was one of the FBI agents who worked on the 1998 U.S. Embassy bombings in Nairobi and Dar es Salaam . On 9/11 , he was one of the first FBI agents on the scene after American Airlines Flight 77 crashed into the Pentagon
9/11
September 11 attacks
Tim Clemente