Kercher murder weapon shown to court

A knife that prosecutors say could have been used to murder British student Meredith Kercher has been shown in court at the trial of her American roommate and an Italian co-defendant.

The knife, wrapped in plastic and kept in a white box, was shown to the eight-member jury in Perugia, central Italy, during the trial of Amanda Knox and her former boyfriend Raffaele Sollecito.