I'm not actually really for or against the wall. That being said, nothing in my statement was incorrect. I notice you didn't correct his statement which was completely incorrect. I don't think cost of going after "any" crime has a high yield or a return that would equate to the cost spent on policing it. If it were me I would have military and police training on the border, plus border patrol, fences in some areas as well as policies in place that would deter migrating illegally. That being said, the next administration would just stop enforcing such policies the next go around anyways.