It's the third death on Cheltenham Gold Cup Day that really troubles super-slueth Sid Halley Former champion jockey Halley knows the perils of racing all too well - but in his day, jockeys didn't usually reach the finishing line with three 38 rounds in the chest But this is how he finds Huw Walker - who only a few hours earlier, had won the coveted Triumph Hurdle Just moments before the gruesome discovery, Halley had been called upon by Lord Enstone to make discreet enquiries into why his horses appeared to be on a permanent loosing streak