(Portland, OR) -- A Portland man who was demonstrating outside of the ICE building is charged with assaulting a federal officer. Agents were clearing demonstrators from the driveway when 38-year-old Alexander Boyce refused to move and spit on an officer's helmet. Since June 13th, 31 people have been charged with federal crimes for offenses committed at the ICE building. 37 people have been charged locally in Multnomah County Court.