Monica Witt, who was also a former counterintelligence officer for the Air Force Office of Special Investigations, defected to Iran in 2013, according to the indictment on Wednesday. She remains at large, CNN reported.
According to the Department of Justice, Witt was targeted and recruited by Iran and after she defected, she allegedly revealed to Tehran the existence of a "highly classified intelligence collection programme" and the identify of a US intelligence officer, "thereby risking the life of this individual".
Witt is accused of sharing the US government secrets, including the name of agents and specifics of operations, with Iran as early as January 2012. In a charging document, investigators said she was deployed by the US to locations in the Middle East to conduct classified counterintelligence operations.
Four Iranian citizens were also charged with attempting to install spy software on computers belonging to Witt's colleagues.
Officials say that she sent a message to her Iranian contact in 2012 saying: "I loved the work, and I am endeavouring to put the training I received to good use instead of evil. Thanks for giving me the opportunity."
Witt, according to investigators, was recruited after attending two conferences hosted by New Horizon Organization, which was working on behalf of the Iranian National Guard's Quds Force to collect intelligence on attendees.
While in Iran, she allegedly converted to Islam during a TV segment after identifying herself as a US veteran and delivered several broadcasts in which she criticized the US.
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