A federal indictment has exposed a massive scandal involving a Tennessee media company, Tenet Media, that secretly took nearly $10 million from Russian state-backed media. The indictment, unsealed on Wednesday, reveals that Tenet Media was actually a covert Russian operation designed to push hidden Kremlin messages to American audiences.

The U.S. Department of Justice (DOJ) claims that Russian media giant RT and its employees, Kostiantyn Kalashnikov and Elena Afanasyeva, funneled this ca...