Undercover filming by Panorama reveals the shocking levels of physical abuse, bullying and intimidation handed out to children and young adults by custody officers at a youth prison run by the scandal-hit G4S.
100,000 people in the UK suffer from Multiple Sclerosis, an incurable condition that can lead to permanent disability. Fergus Walsh meets patients testing if a cancer treatment can be used to help them.
Richard Bilton meets former Kremlin insiders who accuse Vladimir Putin of corruption on a breath-taking scale. Putin is reputed to have used his power to build-up a vast secret fortune that makes him one of the world's richest men.
Following a number of gang-related incidents in Salford, including the shooting of a 7-year-old boy and his mother, Catrin Nye asks if police have lost control of the city's streets and how a community can beat the cycle of gangs and guns.