Ross enters the savage world of the MS13 gang in Central America which comprises a huge membership who surprise with their outward displays of warmth despite their horrific admissions of brutal crimes.
Ross visits St Louis to examine the rise in gang culture that has occured there, in the centre of America's midwest.
Ross goes to Moscow, Russia to experience life with an intense gang of Neo-Nazi skinheads and to see what they do.
Ross talks to members of `The Numbers' gangs in the Cape Town prison system, to try and find out what makes them so volatile and dangerous.
Jamaica has the highest murder rate in the world, so Ross tries to find out what they are fighting for.
Ross Kemp travels to Poland to investigate the neo-Nazi football hooligans who have become the most feared gangs in Europe.
Ross Kemp
Actor
Host
Producer
Clive Tulloh