US Air Force officer Monica Witt defects to Iran with information 'seriously damaging' to national security, officials reveal --The former Air Force intelligence specialist remains at-large --Four alleged Iranian hackers are also charged | 13 Feb 2019 | A US Air Force officer has defected to Iran and shared information that could cause "serious damage" to America's national security, officials have revealed. The former Air Force intelligence specialist was charged with espionage and was accused of working for Iran, according to an unsealed federal indictment. The announcement arrived after Assistant Attorney General for National Security John Demers and other senior officials held a call with reporters to discuss what they called "a national security related action involving Iran". The officials discussed the unsealed indictment against Monica Witt, a former counterintelligence officer for the Air Force Office of Special Investigations.