In four years, more than 40 Kenyan athletes have failed doping tests. Ade Adepitan visits Kenya as it faces a World Anti-Doping Agency deadline to put its house in order.
Krishan Guru-Murthy reveals how tens of thousands of Holocaust survivors in Israel are spending their final days living in poverty despite billions of dollars of reparation payments
In America's murder capital - Chicago - Seyi Rhodes meets volunteer ex-gang members who risk their lives to try to halt cycles of revenge killings, in the face of budget cuts
Abigail Austen has unique, extraordinary access to the battle against Isis and the Taliban in Afghanistan, where the Taliban are threatening to take everything Britain helped fight for
Unreported World reveals how thousands of families in Karachi are suffering from chronic water shortages because of climate change, mismanagement, corrupt officials and criminal gangs
Thousands of families in Venezuela have been hit by severe shortages of drugs and medical equipment. Krishnan Guru-Murthy joins a family as they try to get medicine for their desperately ill daughter.
Marcel Theroux investigates the growing national scandal in South Korea of modern-day slaves, many of whom have learning difficulties and worked for years on a remote island chain
Reporter Morland Sanders meets the aid workers trying to reunite children and parents who are trapped on different sides of the frontline in the brutal civil war in South Sudan
Child preachers in Brazil are attracting large crowds and becoming celebrities, as the country's fast-growing evangelical movement gains religious and political power
Reporter Giles Duley visits a remarkable clinic for victims of acid attacks in Bangladesh, and follows one young victim as she rebuilds her life, and the inspirational team helping her