The woman who got shot and later died was Ashli Babbit; her Twitter account (CommonAshSense) is littered with QAnon Tweets. Her last Tweet was a Retweet of mad pro-Trump lawyer Lin Wood, which called for the execution of VP Pence. She also Retweeted richardgibb8, Jan 4:
CommonAshSense Retweeted
JUAN Q SAVIN @richardgibb8 4 Jan
The President reinstates Death by Firing Squad , Guess What the US penalty for Treason Is ? DEATH BY FIRING SQUAD ! 2+2=4 last I checked