President Joe Biden, who said he was "outraged" by the deaths of the aid workers, is traveling to Syracuse, N.Y., for an economic event Thursday and won't be attending.
Gino DiGiovanni Jr. was identified by online "sedition hunters" and admitted his presence in the Capitol after being confronted by an NBC Connecticut reporter.
The legislation gives TikTok's China-based parent company nine to 12 months to sell or be banned in the U.S., ensuring the app will remain active through the fall campaign.
The possible ban that the president signed into law Wednesday won't go into effect until January, at the earliest, and his campaign told NBC News it will keep using TikTok for now.