// Their second full appeal, in 1991, was allowed. New evidence of police fabrication and suppression of evidence, the successful attacks on both the confessions and the 1975 forensic evidence caused the Crown to decide not to resist the appeals. The Court of Appeal, constituted by Lord Justices Lloyd, Mustill and Farquharson, stated of the forensic evidence that "Dr. Skuse's conclusion was wrong, and demonstrably wrong, judged even by the state of forensic science in 1974." //
They were convicted on forensic evidence. The evidence was wrong. So with a successful conviction, the Police did not try to find the real murderers.