Prince Charles and Diana.Aberdeen taxi driver George Murdoch, 58, who was described as 'kind and gentle', was found brutally beaten and strangled outside his car in the leafy city suburb of Pitfodels having just picked up a fare.His family have been searching for answers for 37 years since the horrific murder in September, 1983.Now Aberdeen man Paul Murray has revealed conversations he had with a senior officer in the then Grampian Police.Paul said his friend, former Inspector Colin Clark, had