Drugs Inc S01E02 Meth

In Montana's wilderness, man poses the greatest threat to drug smugglers crossing the Canadian/American border. Long winters, boredom and isolation, fuel addicts' urgency for drugs.
San Francisco, the epicenter of The 60s Psychedelic Revolution-- is notorious for drugs. But in the new millennium, the city, especially the gay community, is struggling to recover from a meth epidemic. The enabler of this situation is the Asian Cartel, who has been poisoning San Francisco with high quality meth for almost 25 years-- but the Mexican Cartels are intent on taking over. Nat Geo goes inside one of the worst drug ghettos in America--the heart of the drug trade.