One of the insurrectionists was killed trying to break down a door in the Capitol.

Normally, cops should not shoot someone just for breaking down a door. They should first try to restrain per, and will normally succeed. But in that situation there may have been no easy option. She was part of an armed mob bent on violence, and allowing her to break down a door might have enabled the mob to attack people.

Some of the insurrectionists had guns, and bombs were found too.