attorney and a veteran of many courtrooms. >> there will be no evidence that shows that adam shacknaiad anything to do with the death of rebecca zahau. >> reporter: in particular, no dna or fingerprints from adam were found at the death scene. plaintiff's attorney keith greer called several experts who testified that the lack of physical evidence could show adam had cleaned up after himself. doorknobs whatsoever as far as prints. >> and that was consistent with it being wiped down? >> yes. >> reporter: and a handwriting expert who looked at that message on the door. >> the writing on the door more comports with adam than it does with rebecca. >> reporter: greer also claimed rebecca had been sexually assaulted with a knife prior to her murder. his expert testified a steak knife found in the bedroom had her blood on the handle. greer said the sheriff department overlooked that evidence. >> that's nowhere on any of the sheriff's records. they never considered that. they never analyzed that. >> reporter: the defense called a forensic technician who testified she did find the blood on the