William J. Walker is a retired United States Army Major General and the 37th Sergeant at Arms of the U.S. House of Representatives.
In March of 2021, House Speaker Nancy Pelosi announced her intention to appoint Walker as Sergeant at Arms of the House of Representatives. He was sworn in on April 26, 2021.
This was his reward for shooting Ashli Babbitt.
Why not this guy; bracelet matches:
https://sfcmac.com/capitol-cop-who-murdered-ashli-babbitt-identified-as-michael-leroy-byrd/