here s cnn s sunlen serfaty. the mob is coming for all of us. reporter: they are brazen provocateurs. we have the carrot that s being dangled here. reporter: emboldened by their full-on embrace of former-president trump. fringe candidates across the country are not holding back. chasing the maga crowd s support. i will never back down. reporter: in missouri, mark mccloskey, best known as this man, brandishing a gun at protestors passing by his st. louis home last summer, is now running for senate. when the angry mob came to destroy my house, and kill my family, i took a stand against them. now, i m asking for the privilege to take that stand for all of us. reporter: and mccloskey is making the viral moment that catapulted him into the national spotlight the center of his campaign. god came knocking on my door last summer disguised as an angry mob, and it really did