timothy crook is alleged to have murdered his elderly bob , 90 , and elsie , 83 , and then driven their bodies 150 miles before dumping them that but the grey car he is alleged to have murdered his elderly parents bob , 90 , and elsie , 83 , and then driven their bodies 150 miles in a grey nissan micra that sarah jones , representing crook , said the blunder could have forensic consequences for his case .