Ross Kemp talks about episode five of Extreme World, in which he travels to Las Vegas to investigate the world of "haves and have nots".
Watch the episode one interview with Ross about the harrowing experience of coming face to face with a child trafficker in India.
Watch the interview from episode two with Ross about being held up at gunpoint in Papua New Guinea.
Watch the interview from episode three with Ross about the state of play in Northern Ireland, 15 years after the Good Friday Agreement.
Watch the interview from episode four with Ross about how the civil war in Syria is affected life in Lebanon.
Watch the interview from the final episode with Ross about the drug epidemic in the favelas of Rio de Janeiro.