A couple were tied up and robbed at their home in County Durham on Tuesday night when men forced their way into the house at Butterknowle.
Police say at the moment they aren't linking the incident to any other raids in the region.
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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.