The Sergeant at Arms reports to Pelosi...which makes her ultimately responsible for security.
You bet she had the Sgt at Arms on Speed Dial.
You will also recall that the Sgt at Arms very conveniently turned up dead after the riot and before he could be called in to testify as to why Trump's offer for National Guard troops was turned down.
https://dailycaller.com/2021/02/27/sour ... itol-riot/
https://apnews.com/article/capitol-poli ... 07e4d03380