Robert Lynn Pruett, who was convicted of killing a corrections officer at the McConnell Prison Unit in Beeville in 1999, is scheduled to be executed at 6 p.m. Thursday.

Pruett was convicted back in 1999 for the stabbing and killing of Officer Daniel Nagle. At the time, Pruett was 20 years old serving a life sentence in the McConnell Prison Unit for a murder he committed in 1995 in Harris County.

In August of last year, Pruett was granted a stay of execution.

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