In June 2013, it was reported that Cartwright had received a "target letter" from the U.S. Justice Department, informing him that he was under investigation for leaking classified information about Stuxnet, a computer virus used in a U.S.-Israel cyberattack against centrifuges in Iranian nuclear facilities (see Operation Olympic Games) [REF].
In March 2015, the Washington Post reported that the sensitive leak investigation, led by Rod J. Rosenstein, had "stalled amid concerns that a prosecution in federal court could force the government to confirm" information about the highly classified program [REF].