All the fencing and securing of perimeters isnt to keep Congress locked in it's to make sure leftists don't riot and actually storm the capitol when it turns out Trump will be President.
Why fortify DC so heavily if you are worried about Trump supporters? Shouldnt they be deployed to different state capitals where the right wingers live? DC is 95% democrat.
Biden is not getting sworn in. He may be arrested on Inauguration Day. Most likely he’ll be committed to a nursing home or medical ship. He sure as hell is not getting nuke codes. Trump might step aside for a month. NSA and Trump trust Pompeo and will task Pompeo to oversee the bloodshed at Gitmo in February.