What exactly might Babbit have been doing at the Capitol?

WASHINGTON (KUSI): "The woman who was shot and killed inside the US Capitol during the protests was from the San Diego area. KUSI News has spoken with her husband. The woman is Ashli Babbit, a 14-year veteran, who served four tours with the US Air Force, and was a high level security official throughout her time in service. Her husband says she was a strong supporter of President Trump, and was a great patriot to all who knew her."

https://www.kusi.com/kusi-news-confirms-identity-of-woman-shot-and-killed-inside-us-capitol/