American student Amanda Knox looks at photographers during a hearing of the trialwhere she is accused of murdering her flatmate, British student Meredith Kercher in Perugia, Italy|, Monday, July 25, 2011. Independent experts presented the conclusions of their review of the DNA evidence collected against Amanda Knox and her co-defendant Raffaele Sollecito. DNA evidence played a crucial role in securing the convictions of Amanda and Raffaele Sollecito in the 2007 murder of Meredith Kercher, who was stabbed to death in the apartment she shared with the Seattle exchange student. (AP Photo/Stefano Medici)