evidence: While police did deploy tear gas and hold the line against rioters in some instances, many images appeared to show officers communicating peacefully with protesters, some even taking selfies with them, and declining to use violent tactics. As a result, they faced criticism for taking a less aggressive stance than they did towards Black Lives Matter protesters over the summer. Bowser on Thursday called the response from Capitol Police a failure and called for an investigation into the apparent disparity. "We must also understand why the federal law enforcement response was much stronger during the Black Lives Matter protests," Bowser said. [...] "No one can tell me that if it had been a group of Black Lives Matter protesting yesterday, they wouldn't have been treated very, very differently than the mob of thugs that stormed the Capitol," Biden said. "We all know that's true, and it is unacceptable."