A post-mortem examination on a young filmmaker whose body was found in a derelict building in Newcastle was inconclusive, an inquest heard.
26-year-old Lee Halpin had planned to spend a week living on the streets in his home city of Newcastle to experience what it was like to be homeless.
Coroner David Mitford said further inquiries would now take place and he adjourned the inquest until more information had been gathered.
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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.