FACTUAL

Sky1's BAFTA-winning documentary series returns for a fourth series with investigations in five more of the world's most dangerous gangs. Ross Kemp and his award-winning team travel the globe, securing access to the brutal gangs who terrorize their communities in Liverpool, Los Angeles, Belize, Kenya and Bulgaria. Visiting the no-go areas these gangs rule, Ross comes to learn how and why gangs exist, what being a member entails and how the gangs affect those surrounding them.