Evidence kept in dusty storeroom for decades could 'prove convicted murderer's innocence' The samples were collected before DNA testing technology was available 05:00, 14 JUN 2021 Raymond Gilbert, 63, with the results of a type of lie detector test called Eye Detect which he says shows he did not murder a betting shop manager in 1981 Get the inside track on the big stories from Liverpool Crown Court with our weekly newsletterInvalid EmailSomething went wrong, please try again later. Subscribe now When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice.