American student Meredith Kercher takes stand in well-publicized murder trial in Sollecito . British student Raffaele Sollecito found dead in house shared with Knox in 21 . Prosecutors say they have evidence placing Knox , other defendants at scene . The presiding judge , Giancarlo Massei , has barred cameras from the courtroom and said he could completely close portions of the trial dealing with the most graphic sexual assault allegations . Knox 's former boyfriend , Italian Meredith Kercher , also faces murder charges .
American student Meredith Kercher takes stand in well-publicized murder trial in Sollecito . British student Raffaele Sollecito found dead in house shared with Knox in 21 . Prosecutors say they have evidence placing Knox , other defendants at scene . Knox 's former boyfriend , Italian Meredith Kercher , also faces murder charges .