Mexican cartels penetrate an unsuspected region of the US where law is scarce and drugs cost more. We tell you how the state of Montana, in the far north of the country, became a more lucrative business for drug traffickers than California and other regions adjacent to the southern border.
Fighting drug trafficking is difficult in a state as large as Montana, where law enforcement has difficulty policing open spaces and reservations rely on underfunded and understaffed tribal police forces. On at least one reservation, tribal members formed a vigilante group in a desperate attempt to fight drug crime.