There are other videos, some taken by that queer John Sullivan, some by others, as well as a number of compositions put together, that show it was a staged event with the Capitol Police involved. Here's one showing a CP officer giving the shooter a thumbs up immediately after the shooting: https://files.catbox.moe/c12sa5.mp4 You have to view things in the greater context to get the full picture of what really went on there. I'm not going to do all the work for you.