Joseph Robert Fisher

Joseph Robert Fisher, 52, a former Boston Police K-9 officer who had helped respond to the Boston Marathon bombing, rammed a Capitol Police officer with a chair and committed further acts of physical violence during the Jan. 6, 2021 riot, and was accused of helping another rioter escape. He pleaded guilty in February 2024 to eight charges, including assaulting a law enforcement officer during a civil disorder and acts of physical violence on Capitol grounds; prosecutors had sought 46 months, citing his presence during the riot's early stages. He was sentenced on May 24, 2024 to 20 months in prison and $2,000 in restitution.