>did they have a professional photographer in place to take this photo?
yes
Images of chaos: AP photographers capture US Capitol riot
January 5, 2022
WASHINGTON (AP) — When supporters of President Donald Trump stormed the U.S. Capitol on Jan. 6, 2021, The Associated Press had nine photographers inside and outside the building.
https://apnews.com/article/photos-election-jan6-trump-Washington-f69b5f03316eaef2044d520bc7ffe49a
Congressmen shelter in the House gallery as rioters try to break into the House Chamber. (AP Photo/Andrew Harnik)