U.S. Border Patrol police agents provide security for a press conference held by the Department of Homeland Security (DHS) in Nogales, Arizona, Feb. 4, 2026. The DHS was established in 2002, combining 22 different federal departments and agencies into a unified, integrated Cabinet agency focused on securing the nation from internal and external threats including natural disasters. (U.S. Coast Guard photo by Petty Officer 3rd Class Kenneth Wiese)