Six years ago a young English student Meredith Kercher was murdered in Perugia, Italy. The investigative and judicial process which followed was fundamentally flawed. Two people, Meredith's American flatmate Amanda Knox, and Knox's boyfriend Raffaele Sollecito spent four years in prison convicted of Meredith's murder. Two years ago they were acquitted on appeal; later this month they will be retried by a fresh appeal court in Florence. Hardtalk speaks with Raffaele Sollecito. His story has made lurid headlines around the world – but how will it end?Picture: Raffaele Sollecito, Credit: BBC