Videos taken by eye witnesses of federal agent encounters with immigrants in Chicago and elsewhere have shown increasingly tense incidents. Immigrant advocates and observers say they're indicative of a larger trend of aggression among federal immigration officers.
There are countless videos on social media showing similar scenes. One, filmed by a photographer in Hyattsville, Md., shows a man pinned to the ground by two ICE officers. He pleads in Spanish and English for someone to help him.
During the incident,... [5800 chars]