Source: www.txdps.state.tx.us/director_staff/media_and_communications/2014/txHumanTraffickingAssessment.pdf Page 38
By far the most, are in a very small area.
Can statistics ever be complete?
With the high number of apprehensions recorded, why are there so many people crossing there? How many illegal aliens avoid apprehension in this area?
The path of least resistance will be the path sought. I’m sure those entering this country illegally know where their chances are best for the most part, and the volume in the Rio Grand Valley suggests gozillions get through.