CHICAGO -- A judge's blistering 223-page opinion has offered a cache of striking new details from body-camera footage about agents' use of force during a federal immigration crackdown in the Chicago area dubbed "Operation Midway Blitz."

U.S. District Judge Sara Ellis' opinion issued Thursday recounts many high-profile clashes between federal agents and protesters, repeatedly using body-camera footage to refute the federal government's narratives from court, use-of-force reports, filmed depositions and news releases. It describes scenes of agents launching tear gas without warning, aiming rubber rounds at reporters, tackling protesters and laughing as blood oozed from a demonstrator's ear -- incidents Ellis says were flatly at odds with the government's own narratives.

Ellis expressed sur

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