Political strategist and columnist Rick Wilson laid into RFK Jr. Thursday following the Health and Human Services secretary’s firing of Susan Monarez, the Trump-appointed director for the Centers for Disease Control, calling him a “serial killer” and warning that the “death toll” of the decision would be "unimaginable.”

“RFK, Jr., heroin addict, sex addict, anti-vaccination lunatic and aspiring architect of millions of deaths purged the CDC last night,” Wilson wrote Thursday on his Substack “Against All Enemies.” “He gutted the world’s premiere public-health agency in his endless quest to destroy vaccine science and plunge this nation into the Middle Ages.”

The HHS fired Monarez on Wednesday citing her “reckless directives,” though Monarez has vowed to remain in her position, with her lawyers calling the firing “legally deficient.” Inside sources have said the firing followed a “clash” between Monarez and RFJ Jr. over, potentially, the HHS secretary’s position on vaccines, which he has long claimed are linked to autism, a claim thoroughly debunked by the scientific community.

Now, Wilson is warning that Monarez’s firing is just the beginning, and that the ousting represents a forthcoming purge at the CDC that he argued could prove deadly.

“RFK is purging the CDC so he can replace professional doctors, scientists, epidemiologists, virologists, and public-health experts with antivax cranks, horse-dewormer morons, radical eugenicists, and inhumane conspiracy screamers,” Wilson wrote.

“A month after a mad gunman (an antivax activist) charged the CDC on a killing spree, Bobby Brainworm fired Dr. Susan Monarez, the CDC’s director. More firings and resignations followed. And let’s be clear about one thing: this isn’t just Kennedy; these firings were endorsed by Donald Trump directly.”

Despite Trump having hand-picked Monarez, a White House spokesperson supported RFJ Jr.’s decision to fire Monarez, telling the New York Times Wednesday night that Monarez was “not aligned with the president’s agenda of making America Healthy again.”

For his part, Wilson said that more than anything, he hopes for accountability in the coming years should RFK Jr.’s CDC “purge” fully come to fruition.

“I don’t know how this ends, but I know if it’s the last damn thing I do on this earth, this son of a b---- needs to be held to account,” Wilson wrote. “I’m in favor of short show trial, then a choice of wolves, horsewhipping, or a brisking hanging from a local tree.”