Roy Bigg’s remains were discovered in the cellar of a former wine bar in Forest Gate, east London. Horrified builders working in the former Simpson’s Wine Bar building found his body.
According to London’s Metropolitan Police, Mr Bigg was reported missing in February 2012.
Police on Monday called on anyone with information about Mr Bigg to get in touch.
A post-mortem examination found the cause of death inconclusive. Mr Bigg’s remains were identified from his dental records.
Chief Inspector Kelly Allen of the Met’s Specialist Crime Command said: “We believe Roy’s body has been in the freezer for several years.
“By talking to people who knew him, we can determine not only his lifestyle and habits, but also when he was last seen.”
Mr. Bigg was born on September 8, 1944, with the Met believed he would be about 70 years old when he died.
DCI Allen added: “It doesn’t matter if it’s been a long time since you knew him, or if you only knew him for a short time, any information can be of great importance to our investigation.”
“We released an image of Roy and hope everyone who knew him will take the time to come forward and talk to us.
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Anyone who knew Mr. Bigg should call the Met’s Incident Room on 020 8345 1570 or 101 or Tweet @MetCC quoting CAD4332/15OCT21.
To remain anonymous, call the independent charity Crimestoppers on 0800 555 111 or visit crimestoppers-uk.org