US Customs and Border Patrol intercepted 23 people on a federal terror watchlist crossing the southern border during 2021, including men from Saudi Arabia and Yemen.
Data obtained by Fox News via a Freedom of Information Act (FOIA) request showed that four of the apprehensions took place in the Rio Grande Valley Sector and four others were reported by Del Rio Sector.
Border patrol officers assigned to the El Centro Sector and San Diego Sector each reported four arrests.
