What folks don't seem to be talking about is the most direct solution to all of the border problems, as well as many others. We need to throw a big conference, invite everyone from this hemisphere, and come to an agreement about marijuana legality, and medical marijuana specifically. We have fine examples for this change in attitude from Portugal, where treating drug use as a health issue instead of a crime has drastically reduced drug use and violence.
http://www.spiegel.de/international/europe/evaluating-drug-decriminalization-in-portugal-12-years-later-a-891060.html
http://www.spiegel.de/international/europe/evaluating-drug-decriminalization-in-portugal-12-years-later-a-891060.html