Underworld, Inc.

Black market moonshine is big business -- high-proof, low-cost, untaxed and illegal.

Increased automobile security means that car criminals are becoming more ingenious than ever.

The black market organ trade is thriving, but law enforcement is in hot pursuit of traffickers.

Underworld Inc. follows dirty drug dollars from American trap houses into Mexico's money laundry.

An oil mining boom in North Dakota has attracted black-market operators to a once sleepy town.

Criminals flock to Las Vegas, and casinos respond with state-of-the-art surveillance and security.

Luxury goods are in high demand on the global black market, no questions asked.