Shocks are in store as Ross Kemp travels to the Mexican city of Juarez. Reduced to a warzone, competing cartels fight for ownership of the drug smuggling routes to the US.

The actor travels to some of the most dangerous places on Earth, uncovering under-reported stories of crime and hardship. His journey begins in Chicago, where he provides an access-all-areas insight into the city's drug epidemic, meeting dealers on the streets and witnessing the lengths to which people will go to get a fix, before spending time with an outreach worker and the police.

Join Ross Kemp as he travels to the Democratic Republic of Congo to take an unapologetically unflinching look at the decade-long war between the Congolese and Hutu militia.

Difficult questions are raised in this powerful penultimate instalment. More than a year since the country was hit by an earthquake, Ross reveals what life is like in Haiti.

Ross Kemp's last investigation hits close to home as he exposes the 21st-century slave trade. Entering the world of human trafficking, Ross need look no further than the UK.