Edward Loomis worked as an NSA cryptologist from 1964 to 2001. Prior to the 9/11 attacks, Loomis unsuccessfully lobbied the agency to adopt a sophisticated data-collection program — nicknamed “ThinThread” — to monitor foreign Internet traffic going through the United States. Loomis, who later became the target of a Justice Department investigation into leaks of classified data, told FRONTLINE that had ThinThread been in place before 9/11, the attacks may have been averted. He spoke to FRONTLINE’s Jim Gilmore and Mike Wiser on Dec. 12, 2013.worked as an NSA cryptologist from 1964 to 2001. Prior to the 9/11 attacks, Loomis unsuccessfully lobbied the agency to adopt a sophisticated data-collection program — nicknamed “ThinThread” — to monitor foreign Internet traffic going through the United States. Loomis, who later became the target of a Justice Department investigation into leaks of classified data, told FRONTLINE that had ThinThread been in place before 9/11, the attacks may have been averted. He spoke to FRONTLINE’s Jim Gilmore and Mike Wiser on Dec. 12, 2013.Edward Loomis worked as an NSA cryptologist from 1964 to 2001. Prior to the 9/11 attacks, Loomis unsuccessfully lobbied the agency to adopt a sophisticated data-collection program — nicknamed “ThinThread” — to monitor foreign Internet traffic going through the United States. Loomis, who later became the target of a Justice Department investigation into leaks of classified data, told FRONTLINE that had ThinThread been in place before 9/11, the attacks may have been averted. He spoke to FRONTLINE’s Jim Gilmore and Mike Wiser on Dec. 12, 2013.worked as an NSA cryptologist from 1964 to 2001. Prior to the 9/11 attacks, Loomis unsuccessfully lobbied the agency to adopt a sophisticated data-collection program — nicknamed “ThinThread” — to monitor foreign Internet traffic going through the United States. Loomis, who later became the target of a Justice Department investigation into leaks of classified data, told FRONTLINE that had ThinThread been in place before 9/11, the attacks may have been averted. He spoke to FRONTLINE’s Jim Gilmore and Mike Wiser on Dec. 12, 2013.Edward Loomis worked as an NSA cryptologist from 1964 to 2001. Prior to the 9/11 attacks, Loomis unsuccessfully lobbied the agency to adopt a sophisticated data-collection program — nicknamed “ThinThread” — to monitor foreign Internet traffic going through the United States. Loomis, who later became the target of a Justice Department investigation into leaks of classified data, told FRONTLINE that had ThinThread been in place before 9/11, the attacks may have been averted. He spoke to FRONTLINE’s Jim Gilmore and Mike Wiser on Dec. 12, 2013.worked as an NSA cryptologist from 1964 to 2001. Prior to the 9/11 attacks, Loomis unsuccessfully lobbied the agency to adopt a sophisticated data-collection program — nicknamed “ThinThread” — to monitor foreign Internet traffic going through the United States. Loomis, who later became the target of a Justice Department investigation into leaks of classified data, told FRONTLINE that had ThinThread been in place before 9/11, the attacks may have been averted. He spoke to FRONTLINE’s Jim Gilmore and Mike Wiser on Dec. 12, 2013.