AdvertisementBehind The Border 'Crisis': More Migrant Families Risk Dangerous Remote CrossingsFebruary 15, 2019Joel RosefacebookEmailAnthony Porvaznik, chief patrol agent for the Border Patrol's Yuma sector, inspects a recently reinforced section of border fence in San Luis, Ariz. Porvaznik says a few weeks ago, 350 migrants, including children, burrowed under another spot of the border fence about 12 miles away. (NPR)