Michael Montgomery tells the story of a former gang leader turned police informant. (R)
BBC Radio 4
Nadene Ghouri goes undercover to expose the trade in Liberian children. (R)
Mukul Devichand reports on tensions building up between Malaysian ethnic groups.
Caroline Hawley meets an Iraqi boyband formed towards the end of Saddam Hussein's rule. (R)
Linda Pressly investigates the housing crisis in Cuba.