In the aftermath of January 6, 2021, conservatives and conspiracy theorists fixated on Ray Epps, who they believed held the answer to why hundreds of then-President Donald Trump's supporters stormed the U.S. Capitol to overturn Joe Biden's victory. Epps, they said, was a government plant that sowed the seeds of insurrection well before a crowd rushed the perimeter around the Capitol steps. Video taken by protesters the night before the riot showed Epps on the streets of Washington, D.C. encouraging physical intervention to stop the electoral count, a crowd blaring chants of "Fed! Fed! Fed!" as he spoke. Another video...