Researchers have used crowdsourcing to scrutinize video and photos from the riot at the Capitol on Jan. 6 and have identified some of those who took part. The researchers have shared their information with law enforcement.

Trump supporters gather outside the Capitol, Wednesday, Jan. 6, 2021, in Washington. As Congress prepares to affirm President-elect Joe Biden’s victory, thousands of people have gathered to show their support for President Donald Trump and his claims of election fraud. (AP Photo/Jose Luis Magana)