Shortly after 12.30pm on 2 November 2007, Italian police were called to the Perugia home of 21 year-old British student Meredith Kercher. They found her body on the floor under a beige quilt. Her throat had been cut. Four days later, the prosecutor jailed Meredith's flatmate, American student Amanda Knox, and Raffaele Sollecito, her Italian boyfriend. He also jailed Rudy Guede, an Ivory Coast drifter. Four years later Knox and Sollecito were acquitted amid chaotic scenes in front of the world's media...