the border illegally. and says it's harder than he imagined. but on the other side, a legion of border patrol agents cameras barricades, ground sensors are waiting. even some private citizens working on their own to stop migrants like jesus garcia from getting across. >> this is the scene in the matrix. >> in tim's world, borderlands are a threatening, dangerous place. >> this is what the world looks like. >> foley leads a volunteer group called arizona border recon that patrols the border on the town on the u.s./mexico border. >> i've been called everything in the book. >> the southern poverty law center which monitors hate groups in the u.s. says foley's group is made up of native extremists. foley sees the flow of drugs, undocumented migrants and the wide-open spaces of the border