A man has been found guilty of murdering a woman who was found bound and gagged in a lake in 1987.
Donald Robertson was convicted by unanimous verdict at Reading Crown Court of murdering 26-year-old Shani Warren, and of kidnapping and raping a teenager in 1981, decades after his “horrendous” crimes.
The serial attacker, 66, was charged last year after a police cold case team found new DNA evidence linking him to the death of Ms Warren in April 1987.
The body of Ms Warren, who lived in Stoke Poges in Buckinghamshire, was found in Taplow Lake on the Easter weekend that year.
Her car had been abandoned in a layby on the A4, with bin bags containing remnants of grass after she had recently mowed the lawn, as well as an Easter egg in the driver’s footwell.
Robertson did not attend the trial and the dock at Reading Crown Court was empty on Tuesday as a jury found him guilty of both crimes.
He was convicted of the false imprisonment, indecent assault and murder of Ms Warren between 16 and 19 April.
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Ms Warren’s wrists had been tied with a car jump lead and her ankles were bound by a tow rope.
Robertson was also found guilty of the kidnap and rape of a 16-year-old girl, who cannot be identified, on 16 July 1981.
