Treason, Terrorism, and Betrayal:

Aldrich James, Timothy McVeigh. Kim Philby. Julius and Ethel Rosenberg. Edward Snowden. These are just a few of the people well known for willfully jeopardizing US national security. What compelled them and others like them to commit such acts? Can the danger be detected before it’s too late?

William Costanza employs an interdisciplinary approach to reveal the many intertwined factors that might lead a person down a path to espionage, terrorism, or betrayal. Drawing on a wide range of detailed case studies, he proposes tools for better understanding why some individuals "cross the line" and, as a result, for better deterring threats.