BBC:

The storming of the US Capitol last month left five people dead, over 100 police officers injured and millions of dollars in damage to the building.

…

The University of Chicago report finds that most of the insurrectionists came from large urban counties where Joe Biden beat Donald Trump by slim-to-moderate margins in the 2020 election.

These counties typically contain big and racially diverse populations.

Only a few came from pro-Trump strongholds.

“This will come as a surprise to many Biden supporters, who presumably think that the insurrectionists are coming from red counties – rural, almost completely white, and with high unemployment – far from Biden strongholds,” said Dr Pape.