sex worker beaten and strangled to death in a Glasgow park 30 years ago.The killing of Diane McInally remains unsolved by police after her lifeless body was found dumped in woodland at Pollok Park in October 1991.She was just 23-years-old at the time of her brutal slaying with two men, Gary Moore and Dale Clark, who are both now dead, charged in connection.Neither man stood trial however the sex worker’s family feared the duo were just scapegoats for a ‘Mr Big’ who Diane was due to give evidence