Mr Justice Wilkie said Bhayani "ruthlessly targeted" Ms Waugh and murdered her with "greed, callousness and total lack of any regard."
He said: "Without a second thought, you calmly and comprehensively set about stealing her identity" and a complete "asset-stripping of her persona".
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A number of Britons are feared stranded on Mount Everest after the Nepal earthquake triggered a deadly avalanche on Saturday.
Emma Jesson brings you Saturday night's forecast
Feeling much colder later on Saturday. Wintry showers possible on Sunday and Monday