2 Men on Terror Watchlist Caught Crossing Southern Border Two men who are on the FBI's terrorism watchlist were apprehended this year near the Calexico Port of Entry after illegally crossing the southern border. Pictured: A Border Patrol agent sits near the Calexico Port of Entry Aug. 22, 2019, in Calexico, California. (Photo: Carolyn Van Houten/The Washington Post via Getty Images) Two men from Yemen were apprehended and found to be on the FBI’s terrorism watchlist after illegally crossing the southern border in January and March, Customs and Border Protection announced Monday. CBP agents arrested the men near the Calexico Port of Entry in Southern California, according to the agency. Both of the men were encountered illegally entering the U.S. after dusk.