By Joe Smith Detectives from Scotland Yard will fly to the Caribbean so they can interview a convicted killer to find the buried remains of his victim, it has been reported. Nizamodeen Hosein served 20 years for the kidnap and murder of Muriel McKay more than 50 years ago. Mrs McKay was the wife of newspaper executive Alick McKay, who was Rupert Murdoch’s deputy. She was kidnapped by Hosein, now 76, and his older brother Arthur in 1969 after they mistook her for Murdoch’s then-wife Anna. Mrs McKay, 55, was held at their rundown farm in Hertfordshire with the kidnappers demanding £1m ransom. Ho…