A widower in prison for killing his famous children's author fiancée Helen Bailey has gone on trial today accused of murdering his wife six years earlier.
Ian Stewart, 61, was jailed for a minimum of 34 years in 2017 for murdering Ms Bailey, 51, who had been drugged with sleeping medication and suffocated at their £3.3million Royston mansion.
His wife-to-be, who wrote the Electra Brown books, was discovered in a cesspit under the garage with her beloved dog in 2016.
After his conviction, police began looking into the 2010 death of Stewart's wife Diane, 47, whose sudden passing was put down to a massive epileptic fit.
But Huntingdon Crown Court heard today that a 'stroke of fortune' meant she had donated her brain for medical research. The stored tissue was re-examined and experts concluded the chances of her dying from a seizure were actually '100,000 to one'.
Stuart Trimmer QC, prosecuting, told the jury that tests on the brain proved oxygen to her brain had been 'substantially reduced' by an 'outside source' in the hour before her death, adding: 'This defendant murdered his own wife at the home they shared'.
He said: 'Initially he [Ian Stewart] was able to fool the medical professionals by suggesting she had died in the course of an epileptic fit. The Crown say that was not the case. Re-examination of this case showed, the Crown say, that was not true and his explanation for the circumstances of her death can be disproved by the medical evidence. In short, he killed her.'
Ian Stewart, 61, was convicted of murdering Helen Bailey, 51, pictured together, in 2016, and is now accused of murdering his wife six years before
Stewart was charged with murdering his first wife, Diane Stewart, in Cambridgeshire in 2010
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Source : https://www.dailymail.co.uk/news/article-10414325/Man-killed-childrens-author-Helen-Bailey-trial-wifes-murder.html706