Insurrectionists Openly Planned for Weeks to Storm the Capitol. Why Were Police So Easily Overwhelmed?

 https://time.com/5927215/capitol-hill-police-riots-unprepared/

One video appears to show a Capitol Police officer taking selfies with the rioters. Another featured several officers removing metal barriers to let the mob freely pass toward the Capitol. In yet another video, an officer appeared to hold a door open so a handful of rioters, apparently allowing them to exit the Capitol building without being arrested or charged.