Explain why you think she was there to cause egregious bodily harm or death.
You tell me what that woman could have done if she gained access to that corridor. And explain how you knew she was a deadly threat.
If Trump was there with those other elected officials, are you OK with LE capping someone's ass with a backpack(possible IED and hidden weapons) after defying LE commands while trying to force their way where they clearly know they shouldn't ?
Would anyone in their right mind try such and not reasonably expect the chance of getting perforated ?
I don’t know the SOP’s for the White House or the Capitol Building.