Heroin
Fox travels to Kenya, where she speaks to people living and working on the front lines of one of the world's newest and most profitable heroin routes.
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More from this season
S1 E1
Cocaine
From farming to smuggling to sales, former CIA analyst Amaryllis Fox investigates cocaine's hugely profitable and disturbingly deadly business cycle.
S1 E2
Synthetics
Despite its potential therapeutic benefits, MDMA is pushed into the shadows where it — along with synthetic analogs — have become popular party drugs.
S1 E4
Meth
Meth's global menace infects Myanmar, where complex politics and history have made it Southeast Asia's ground zero for production and distribution.
S1 E5
Cannabis
Despite the legalization of pot in California, roughly 80% of the state's cannabis sales still occur on the black market. Fox examines why.