Pasquale J. D'Amuro
After the 1993 World Trade Center bombing, he focused his research on terrorist attacks. After this,  he was involved with the research of the 1998 United States embassy bombings in Tanzania and Kenya, the 2000 USS Cole bombing in Aden, Yemen, and the attacks on September 11, 2001, on the World Trade Center and The Pentagon. Over time, he became a leading expert on al-Qaeda.