The videos have become commonplace. Federal officers wearing masks and bulletproof vests subdue a moped driver in the middle of a busy D.C. street. A 70-year-old protester in Chicago is pushed to the ground by an armed Border Patrol agent holding a riot gun. In Los Angeles, an agent shoves away a demonstrator . These videos capture the aggressive tactics of immigration officers under the second Trump administration. But they share something else, too. In each instance, following documented