Capitol rioter, 66, accused of being a leader for the far-right militia group Oath Keepers is a 'retired FBI section chief and decorated Navy veteran who has had top secret security clearance since 1979' Thomas Caldwell, who prosecutors said holds a leadership role in an extremist group, worked as a section chief for the FBI from 2009 to 2010, his attorneys said. The FBI didn't comment Caldwell was a lieutenant commander in the U.S. Navy and described as '100% disabled,' according to his attorneys The defense said Caldwell has held a top-secret security clearance since 1979, which required mu...