The FBI used facial recognition tools to track down one of the Capitol riot suspects. The tool apparently brought researchers to the Instagram feed of a suspects girlfriend. It was a short step from there to matching his clothes with images from the rioters. Crowdsourcing also has a history of going horribly wrong, and the infamous Reddit Boston Bombing debacle is as good a place to drop this warning as any. To me, this is more impressive than digging a pile of selfies and readily available data on popular image sharing websites.”]