the ivory coast national 's dna was found all over the bedroom where miss kercher was found half-naked , her throat slit in 2007 , in the cottage she shared with knox .
lawyers for guede are likely to argue that the two sentences are incompatible , forcing a revision of his conviction .
speaking from prison in viterbo , where he is described as ` a model prisoner ' guede claimed that his conviction is rendered ` impossible ' by the exoneration of knox and ex boyfriend sollecito that