The arrests carried out in that area in the last two years show the magnitude of the problem for the Biden White House and give way to criticism from Abbott and other Republicans. During fiscal year 2022, the Border Patrol found (detained) 2,378,944 undocumented immigrants on the border with Mexico, compared to the 1,734,686 registered in fiscal year 2021, according to data from the Office of Customs and Border Control (CBP in English). .