evidence: The claim: A video shows antifa inside the Capitol building with floor plans and dressed as Trump supporters on Jan. 6, proving the attack was a setup Security experts told USA TODAY antifa was not involved in the Jan. 6 attack. The footage provides no evidence to support the claim. It shows pro-Trump rioters as the attack was underway; some of the rioters identified in the video are well-known Trump supporters. Read more. The claim: No one was arrested inside the Capitol building on Jan. 6, 2021