Reporter Rory Carson investigates a charity providing social housing on a not-for-profit basis, and its links to a millionaire developer who has turned taxpayer-funded housing benefit into a personal fortune through the supply of properties. Carson speaks to tenants who feel they've been let down by the charity, and former employees who say serious problems of anti-social behaviour were sparked by the charity's focus on expansion. He also hears calls for better regulation of social housing to protect both tenants and the taxpayer
