Sarah Bils, a former US Navy officer, was involved in the management of the pro-Russian social media account Donbass Devushka, which leaked at least four classified documents.
Source: WSJ, The Insider
Quote: "One of the biggest spreaders of pro-Kremlin disinformation and propaganda, who posed online as a Russian Jewish woman from Luhansk, turned out to be a middle-aged divorced woman from New Jersey and a US Navy veteran.