El Chapo made a comment as to why a wall won't work. Mostly Heroin comes up, some cocaine - meth is all over Mexico but it's made so cheaply and dirty most users cook or know a cook in any country, not mis amigos al sur. Boats, submarines, planes...the borderlands? Mostly people
I will never respect an office that hates my racial background, gender, identity, ideas, exercising of free speech (responsibly). I don't count as human to those people.