This should be priority during the elections, but it never is.  Porous borders should NOT be okay.

…Among the jihadists that travel back and forth through the porous southern border is a Kuwaiti named Shaykh Mahmood Omar Khabir, an ISIS operative who lives in the Mexican state of Chihuahua not far from El Paso, Texas. Khabir trained hundreds of Al Qaeda fighters in Pakistan, Afghanistan and Yemen and has lived in Mexico for more than a year, according to information provided by JW’s government source.

Cartels Help Terrorists in Mexico Get to U.S. to Explore Targets; ISIS Militant Shaykh Mahmood Omar Khabir Among Them