About Border Wars Season 4, Episode 7 :

A Blackhawk helicopter leads ground agents on an epic chase after an illegal immigrant through treacherous mountains near Douglas, Ariz. A live surveillance camera alerts Border Patrol agents to a known fence coyote who tries to guide illegal immigrants into downtown Nogales. Customs officers battle new crossing and concealment strategies, as cartels shotgun multiple loads of drugs and cash across the border in a short period of time to increase their chances of getting their product through