Read this. Excellent commentary from Jayapal, who gives information that should leave you with questions — and rage...
https://twitter.com/rtraister/status/1347744345659756546
They knew it was coming (not surprising because it was announced!) So, beyond the issue of Capitol police complicity:
1) Why were some members of Congress removed and protected and some not?
2) Why were computers open, office doors unlocked etc when they knew this was coming?