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HUNTSVILLE, Texas (AP) -- A Harris County man s death sentence for fatally stabbing his 38-year-old girlfriend and strangling her two daughters has been upheld by the Texas Court of Criminal Appeals.

The state s highest criminal appeals court on Wednesday rejected what Garland Harper s attorneys said were eight errors from his trial two years ago. They include jury selection issues and challenges to his confession being allowed into evidence.

Harper was living in a Houston condo with Triska Rose in 2008 when he accused her of cheating on him. She was tried up, stabbed and had her throat slit. Also killed were her 15- and 7-year-old daughters.

Defense attorneys said he was mentally ill with a drug problem. He had a previous prison record for robbery.

Harper doesn t have an execution date.

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