Why the need for 200 more DC police, wonder what’s about to happen in DC

More than 200 of NYPD’s Finest are in DC and have been sworn in as United States Capitol Police Special Officers to assist in policing events this week at our nation’s capitol.

Dates mentioned in the video are from today 7/23 - 7/25

What do y'all think would cause them to need to swear in these officers?