Ross visits Kenya to meet members of the Mungiki, one of the most dangerous gangs in Africa; despite its brutality, many of Kenya's poor are happy with the gang's presence.
Cocaine trafficking in Belize.
Ross Kemp travels to Bulgaria to investigate the secretive world of gypsy gangs.
Interview with the Crips and Bloods from Compton; the fight between African-American and Latino gang members.
Ross travels to East Timor, the world's newest nation, but also one of the poorest.
Meet the sicario gangs of Colombia, a country known for its violence and drug activity.
Ross Kemp travels to Poland to investigate the neo-Nazi football hooligans who have become the most feared gangs in Europe.
Jamaica has the highest murder rate in the world, so Ross tries to find out what they are fighting for.
Following a recent spate of gang-related incidents in South London, Ross Kemp uncovers the stark reality of gang violence on the streets of the capital.
A look at the most ruthless prison in Cape Town.
Ross travels to Moscow.
Ross Kemp travels to St. Louis.
Ross Kemp travels to El Salvador.
Exploration of gang culture in London; forget old school East End criminals, the capital is now tangled in a web of international crime.
Ross Kemp's final investigation into gang culture takes him to California, home to the Orange County Skinheads.
Ross Kemp's next stop is Auckland, headquarters of the feared Mongrel Mob; he meets founding members and is the first person to film the gang's initiation ceremony.
Ross Kemp heads to Brazil, where he not only gets close to some of the most notorious gangs in Rio, but also gains an alternative perspective from the police department's anti-gang unit.