Austin Fast The Jan. 6 attack: The cases behind the biggest criminal investigation in U.S. history Tom Dreisbach, NPR Staff, Dina Temple-Raston, Arezou Rezvani, Monika Evstatieva, Meg Anderson, Barbara Van Woerkom, Austin Fast, Connie Hanzhang Jin More than 1,570 people have been federally charged in the Jan. 6 Capitol riot. NPR tracked each case from the initial charges through sentencing. Listen • 5:24