Alex Pretti, a 37-year-old nurse, was shot and killed by Border Patrol agents last Saturday while assisting a woman at a protest in Minneapolis. ICE and Border Patrol are two separate entities, but they operate under the same parent department, the Department of Homeland Security. The United States Border Patrol (USBP) is part of Customs and Border Protection (CBP), which in turn operates under the Department of Homeland Security. Border Patrol agent | Front view Border Patrol agent | Rear viewAlthough no president before Trump made such extensive use of this policy, the agency can operate within a radius of up to 182 kilometers (100 air miles) of the country’s land and coastal borders. Like ICE agents, Border Patrol agents have faced criticism for their response to public protests.