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A double murderer from dubbed the 'Modern Ripper' has died aged 64.

Derek Brown was jailed on October 6, 2008, after he was found guilty of murdering DVD seller Xiao Mei Guo, 29, and sex worker Bonnie Barrett, 24.

He denied murder but admitted paying both women for sex before their disappearance in 2007. Originally from Preston, Lancashire , Brown had a series of previous convictions for burglary in the north of England between 1976 and 1986, according to the Lancashire Telegraph .

He was jailed on July 20, 1989, at Preston Crown Court for seven years after pleading guilty to rape and attempted buggery. After his release, Brown later moved to London and found his victims in the Whitechapel area - famously stalked by Jack the Ripper in the 1880s.

But, after both Xia

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