Convicted killer loses bid for more DNA tests in Dexter slayings

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PORTLAND (AP) — Maine’s supreme court has rejected a bid by a man convicted of killing his ex-girlfriend and a toddler to require additional DNA tests that he claims could have showed someone else committed the crimes.

Jeffry Cookson wanted DNA tests on clothes worn by another man, David Vantol, who claimed responsibility for the killings, but later recanted.

On Tuesday, the Maine Supreme Judicial Court upheld a lower-court judge’s ruling that Cookson failed to establish a chain-of-custody showing the items hadn’t been tampered with.

Cookson was convicted of the 2001 killings of 20-year-old Mindy Gould and 21-month-old Treven Cunningham in Dexter, both of whom were shot in the back of the head while they were lying face down in the bedroom. He’s serving two life sentences.

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