A Democratic congressional candidate on Wednesday compared President TrumpDonald John TrumpZuckerberg launches public defense of Facebook as attacks mount Trump leaning toward keeping a couple hundred troops in eastern Syria: report Warren says making Israel aid conditional on settlement building is 'on the table' MORE to Osama bin Laden and the Taliban, calling him the current "greatest threat to our democracy" in a new campaign ad.

“After 9/11, the greatest threat to our democracy lived in a cave,” Dan Helmer, who is running against Rep. Barbara ComstockBarbara Jean ComstockGun debate raises stakes in battle for Virginia legislature Progressives face steep odds in ousting incumbent Democrats K Street giants scoop up coveted ex-lawmakers MORE (R) in Virginia's 10th District, says in the video, talking over footage of the late terrorist leader. “Today, he lives in the White House.” 

“No one, even the president, is above the law,” Helmer continued.

The White House slammed the ad in a statement released Thursday, calling on Democrats including House Minority Leader Nancy PelosiNancy PelosiTurkey sanctions face possible wall in GOP Senate Trump lashes out at Pelosi as she visits Jordan to discuss Syria Thomas D'Alesandro III, brother of Nancy Pelosi, dies at 90 MORE (D-Calif.) to denounce it. 

“The message sent in a campaign ad from a congressional candidate from Virginia is nothing short of reprehensible. Leaders from across the political spectrum — starting with Leader Pelosi — must swiftly condemn this abhorrent message,” said deputy press secretary Raj Shah.

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Helmer made headlines earlier this month after releasing a video of him purchasing an assault weapon at a gun show to show how easy it is for anyone to buy a high-powered weapon in the United States. 

Helmer also captured attention back in September for calling out Comstock with a “Top Gun” parody campaign ad where he accused the Republican lawmaker of moving too far to the right and not holding town hall events. In a parody of the iconic bar scene from the movie, Helmer took on the role of Tom Cruise's "Maverick." 

“I’m different. I’m not a politician," Helmer, an Army veteran who served in Iraq and Afghanistan, says in the new ad. "I’m a Rhodes scholar who served in combat. I’m for a Medicare-for-all option and against drug companies that rip off seniors. I'll fight the gun lobby to protect children, not guns.”

—Updated Thursday at 3:07 p.m.