On October 4, 2025, in the Brighton Park neighborhood of Chicago, Illinois, U.S. citizen Marimar Martinez, 30, was following a Customs and Border Patrol vehicle warning neighbors of their presence when their cars collided. After colliding, Supervisory Border Patrol Agent Charles Exum fired five rounds into her vehicle. Martinez sustained seven bullet wounds in total in her arms and legs but survived. The shooting came amid Immigration and Customs Enforcement's Operation Midway Blitz, which focuses on apprehending undocumented immigrants in Chicago. Community members and activists gathered at the site of the shooting to confront the agents and were dispersed with tear gas.

U.S. Border Patrol Tactical Unit (BORTAC) agents arrest a man as tear gas is deployed to disperse community members and activists in the Brighton Park neighborhood, Saturday, Oct. 4, 2025, in Chicago.

A Chicago Police Department officer reacts after U.S. Border Patrol Tactical Unit (BORTAC) agents deployed tear gas to disperse community members and activists in Brighton Park, Saturday, Oct. 4, 2025, in Chicago.

A protester throws a tear gas canister back towards police lines as U.S. Border Patrol Tactical Unit (BORTAC) agents leave in their vehicles in the Brighton Park neighborhood, Saturday, Oct. 4, 2025, in Chicago.

A woman reacts as a person helps rinse tear gas from their eyes after U.S. Border Patrol Tactical Unit (BORTAC) agents deployed tear gas to disperse community members and activists in Brighton Park, Saturday, Oct. 4, 2025, in Chicago.

A protester drags a road sign in front of leaving U.S. Border Patrol Tactical Unit (BORTAC) agents' vehicles in Brighton Park, Saturday, Oct. 4, 2025, in Chicago.

U.S. Border Patrol Tactical Unit (BORTAC) agents deployed tear gas while leaving to disperse community members and activists in the Brighton Park neighborhood, Saturday, Oct. 4, 2025, in Chicago.

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