Don't know, but they are catching a lot more Chinese illegals in S. Texas too. In the first part of May, 3 Iraqis were caught after they swam across the Rio Grande!
No matter what other "reasons" Bush gives for putting the interests of Mexico over that of the American people,
"...3 Iraqis were caught after they swam across the Rio Grande!"
This is how he practices Homeland Insecurity. Incredible.