Our good neighbor and ally Mexico.
Send us your unwashed, uneducated masses.
Narco mafia.
No, really, it is.
Because American citizens are willing ,nay,eager, to buy and ingest illegall drugs in hope of "highs" and "better sex",plus those fine American businessmen and "farmers" who care only that the hired illegal immigrant labor is cheap,this nation is the culprit.
If U.S. of A. was not the place to make money selling illegal drugs and labor ,they would not be here.