The author lives on the freakin' border, sees the trouble every day, and is former Border Patrol. I think he knows more about the situation then you ever will.
Many people live on the border, and see trouble everyday. The fact that he is a former border patrol agent lends some credibility to his fallacious statements, but who knows if he was any good at his job. Being a former BPA does not make him an expert on economic, sociological, logistical or geopolitical implications of 15 million illegals. It only makes him an expert in America's failure to catch illegals at the border. His credentials do not match the authoritative claims he made. He may be able to quantify why the border patrol is failing to do its job, but little beyond that. I love our soldiers but they ain't all qualified to make war strategy. You are free to believe what ever you want, but I am also free to disagree.
Then he obviously has no clue as to the reality of the situation.