Assistant Attorney General for National Security, United States Department of JusticeJohn Carlin is the Assistant Attorney General for National Security. As AAG, Carlin oversees nearly 400 employees responsible for protecting the nation against terrorism, espionage, cyber and other national security threats. Carlin joined NSD after serving as Chief of Staff and Senior Counsel to Robert S. Mueller, III, Director of the FBI. A career federal prosecutor, Carlin served as National Coordinator of DOJ’s Computer Hacking and Intellectual Property (CHIP) program, a cadre of prosecutors specially trained to prosecute cybercrime and intellectual property cases. Carlin earned his J.D. from Harvard Law School and his B.A. from Williams College.