How researchers are identifying suspects in the U.S. Capitol siege

Some of the rioters who stormed the U.S. Capitol last week wore gear that makes it difficult to identify them, but investigators have zeroed in on a number of clues. John Scott-Railton, a senior researcher at the Citizen Lab at the University of Toronto’s Munk School, joins CBSN to discuss the techniques that helped ID suspects who are now facing charges. Source