The husband of a woman police believe was pushed to her death at a Perth quarry three years ago was also investigated over the disappearance of another woman in 2005.
But inquiries into both cases have taken an unexpected twist after Morley man Nigel Paul Brayley was found dead next to his mother's grave at Karrakatta cemetery.
His death is not considered suspicious.
Mr Brayley's 37-year-old wife Lina was found dead by a bushwalker at Statham's Quarry in Gooseberry Hill on February 27, 2011.
It was first thought she had slipped and fallen 43m while taking photographs.
But police revealed last year they believed she may have been murdered and called for a fair-skinned middle-aged man seen riding a motorcycle in the area about the time of her death to come forward. That man was never identified.
Mr Brayley's first brush with tragedy came in early 2005 when his then girlfriend vanished while they were living together in East Timor.
The woman's family, who live in Indonesia, say they have not seen or heard from her since and local media reports say they had recently asked for the case to be re-examined, fearing foul play.
Few details about the disappearance have been made public but it is understood Australian Federal Police travelled to Dili recently on behalf of WA Police to review the case.
At the time of the disappearance, Mr Brayley was working in East Timor as a manager at the Dili airport. He returned to Australia the same year and married Lina in 2007.
Her family told _The West Australian _last year they always believed her death was not an accident but she had never given them reason to think her life may have been in danger.
After her death, Mr Brayley launched legal action, alleging the then Department of Environment and Conservation had failed in its duty to protect his wife by not erecting fencing around the quarry. It is understood that legal action was put on hold after police revealed they did not believe her death was an accident.
Mr Brayley married again two years after Lina died.
It is understood it was his wife who alerted authorities that he was missing on May 2. He was found dead at the cemetery later that day.
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