Robert Malone speaks during a rally after a D.C. march opposing coronavirus mandates on Jan. 23. (Tom Brenner/Reuters)

As Robert Malone stood on the steps of the Lincoln Memorial before thousands of anti-vaccine and anti-mandate demonstrators Sunday, the medical doctor and infectious-disease researcher repeated the falsehoods that have garnered him legions of followers.

“Regarding the genetic covid vaccines, the science is settled,” he said in a 15-minute speech that referenced the Rev. Martin Luther King Jr. and John F. Kennedy. “They are not working.”