Kercher killer to appear in Knox appeal

One of the killers of British student Meredith Kercher is to give evidence in the appeal of American Amanda Knox and her former boyfriend against their murder convictions.

Rudy Hermann Guede, from the Ivory Coast, is serving a 16-year sentence for the 2007 murder of Ms Kercher, from Coulsdon, Surrey, who was stabbed to death in the apartment she shared with Knox.