Gunrunners move weapons from American states with loose laws to states with stricter ones, in a neverending flow that law enforcement can't seem to stop.

Across the U.S., a powerful opioid-based cough syrup has become a dangerous pop culture sensation.

For the fishermen of Hout Bay, South Africa the post-Apartheid years have meant less opportunity as they are forced to turn to poaching to survive.

In a vicious cycle of dependency and despair, drug addicts shoplift meat and other everyday items and sell them to cash-strapped Brits struggling to get by in today's UK.

In New York City, an illegal gambling underworld flourishes, but sometimes the largest losers are the ones running the games.

An international-car-theft operation based out of Newark, N.J., is spotlighted in the series premiere.