El Salvador is the extortion capital of the world. Two of the world's most violent gangs, MS-13 and 18th street, use murder, rape and fear to steal a chunk of the country's GDP.

The global black market for organs is thriving. We go inside this vile criminal trade to meet the unscrupulous surgeons and traffickers butchering people for profit.

With the world's highest markups, New Zealand is a top destination for meth. The impact of South American cartels and an Australian immigration law has led to bloody turf wars.

"One man's trash is another man's treasure" has never rung truer than in Italy, where mafias have made billions on our waste for decades, at a detrimental cost to local communities.

Deep dive into the secretive art world and exploring how some of the world's masterpieces are caught up in a gigantic alleged fraud feud.

Two oligarch former owners of Ukraine’s biggest bank stand accused of embezzling billions of dollars by means of fraudulent loans. Could this be the world’s biggest bank robbery?

A coalition of Chinese Triads, a Myanmar insurgent army, Thai drug runners and Australian biker gangs uses Thailand as a narcotics super highway to fuel Australia's meth crisis.

A ‘South American Tsunami' of cocaine has flooded Europe. At the center of it is the fearsome Albanian mafia and their deadly alliance with Colombia's biggest cocaine clan.