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HUNTSVILLE, Texas -- A 37-year-old Houston man convicted of killing a police officer 14 years ago has been put to death.

Jeffrey Demond Williams execution Wednesday evening came just over an hour after the U.S. Supreme Court rejected a last-day appeal from his attorneys.

Asked to make a final statement, Williams spoke quickly and angrily, beginning with You clown police, and accused them of killing innocent kids, murdering young kids.

Lawyers contended Williams had been failed by previous attorneys at his trial and in early stages of his appeals.

Williams was convicted of fatally shooting 39-year-old Houston officer Troy Blando while Blando was handcuffing him.

Blando was watching a motel where car thefts were suspected when he saw Williams drive up in a Lexus that was reported stolen.

Williams was captured about a block away. Blando s cuffs were hanging from one of his wrists.

Williams isthe sixth Texas inmate executed this year.

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