Milton Friedman said, You cannot simultaneously have free immigration and a welfare state. We have both.
Either these people truly are the dumbest damn people on the planet, mentally handicapped or they're leaving these borders wide open for a purpose.
There is an agenda.
Think about it, whether republican or democrat, the borders have remained porous for decades.
Violence rages on and spills over into our country year after year whether Bush, Clinton, Bush, O-bozo.
Over the last decade, approx. 30,000 people have been killed down there.