WASHINGTON (AP) — The FBI is offering a $200,000 reward for information leading to capture and prosecution of a former U.S. Air Force counterintelligence specialist who defected to Iran in 2013 and was later charged with revealing classified information to the Tehran government.

Monica Elfriede Witt, 47, was indicted by a federal grand jury in February 2019 on charges of espionage, including transmitting national defense information to the government of Iran. She remains at large.

Witt “allegedly betrayed her oath to the Constitution more than a decade ago by defecting to Iran and providing the Iranian regime National Defense Information and likely continues to support their nefarious activities,” Daniel Wierzbicki, special agent in charge of the FBI Washington Field Office’s Counterintelligence and Cyber Division, said in a news release Wednesday.

“The FBI has not forgotten and believes that during this critical moment in Iran’s history, there is someone who knows something about her whereabouts.”

It wasn't immediately known why the FBI was bringing attention to Witt's case. The United States and Iran have been at war since Feb. 28.

Witt served in the Air Force between 1997 and 2008, where she was trained in the Farsi language and was deployed overseas on classified counterintelligence missions, including to the Middle East. She later found work as a Defense Department contractor.

The Texas native defected to Iran in 2013 after being invited to two all-expense-paid conferences in the country that the Justice Department says promoted anti-Western propaganda and condemned American moral standards.

Before that, Witt had been warned by the FBI about her activities, but told agents that she would not provide sensitive information about her work if she returned to Iran, prosecutors said.

According to the indictment, Witt placed at risk "sensitive and classified U.S. national defense information and programs,” the news release said.

“Witt allegedly intentionally provided information endangering U.S personnel and their families stationed abroad. She also allegedly conducted research on behalf of the Iranian regime to allow them to target her former colleagues in the U.S. government,” it said.

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