When John Gotti, a capo from the Bronx, becomes fed up with the greed of his boss, Paul Castellano, he orchestrates a mob hit; rising to power as the new don of the Gambino family, Gotti's reign draws the scrutiny of the FBI.
Sinaloa and its leader El Chapo aim to become the world's largest drug trafficking organization, but their success is threatened by the Tijuana Cartel, and US and Mexican authorities.
Pablo Escobar's Medellin Cartel become powerful cocaine traffickers; when they go to war with Colombia, the cartel tests their limits.
Sonny Barger's Hells Angels creates the bloodstained blueprint for all outlaw biker clubs that follow, but can they outwit the feds.
The Mongols Motorcycle Club's enemies, the Hells Angels and the authorities, threaten the existence of this outlaw motorcycle gang.
Whitey Bulger's notoriously violent and untouchable Winter Hill Gang are the kings of Boston's underworld, until a secret alliance comes to light.
The Chicago Outfit takes over the windy city, even if it means Al Capone's downfall.
America's deadliest prison gang, the Aryan Brotherhood, goes to war with anyone who stands in their way.
The Bloods will stop at nothing to fight back against their arch-nemesis, the Crips, making national headlines in the process.
After LA MS-13 members are deported back to El Salvador, the now worldwide vicious group attempts to take over US suburbs, but the authorities fights back.
