This is a former police officer who was part of the mob yesterday:

Link

“People were just frustrated, they were angry, and they were at the front of the Capitol,” Jurell Snyder said. “The cops at the gate — they moved aside, gestured with their arms, almost inviting them in, almost, I hate to say it, almost like a set-up — like they wanted us to be disruptive.”

the cops let them in.