Teesside's coroner has announced his retirement for the end of April.
It follows a decade of criticism that it takes too long for inquests to be heard.
There have been backlogs of around 300 families waiting to hear how their relatives died.
Today the coroner said he was going, as progress has been made in the coroner's office. But it's now emerged another complaint has been made about him in the last couple of weeks. .
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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.