A social-media account overseen by a former U.S. Navy noncommissioned officer—a prominent online voice supporting Russia’s war on Ukraine—played a key role in the spread of intelligence documents allegedly leaked by Airman First Class Jack Teixeira. A purported Russian blogger known as Donbass Devushka, which translates as Donbas Girl, reposted the files from obscure online chat rooms. The blog is the face of a network of pro-Kremlin social-media, podcasting, merchandise and fundraising accounts. But the person who hosted podcasts as Donbass Devushka and oversees these accounts is a Washington-state-based former U.S. enlisted aviation electronics technician whose real name is Sarah...
