Build the damn wall.
Illegals bail out OF TRUCK IN ENCINO, TEXAS AFTER TRAFFIC STOP STOLEN VEHICLE - YouTube
Encino is 80 miles north of McAllen, Texas which is very near the border and west of the Gulf of Mexico.
https://www.youtube.com/watch?v=5QW-9FGfLFw
How many illegals can fit into a stolen pickup?