Border Patrol Chief Agrees With Trump That There Is A Border Crisis

Customs and Border Protection Border Patrol acting Chief Carla Provost testifies before the Senate Judiciary Committee in the Hart Senate Office Building on Capitol Hill Jul. 31, 2018 in Washington, DC. Chip Somodevilla/Getty Images

U.S. Border Patrol Chief Carla Provost broke down in a testimony to Congress why the situation at the U.S.-Mexico border qualifies as a national security crisis.