Police search the grounds of the Gordon Arms, Fareham, Hampshire, for the body of suspected murder-victim Kevin John Palmer.
He disappeared 15 years ago.
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Sandiford, a former legal secretary originally from Redcar, was convicted of drug smuggling offences and sentenced to death in 2013.
Durham Crown Court heard that one of the male victims suffered a triple-fractured jaw, while left lying in the gutter, unconscious.