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Texas executes man despite his claims of low IQ

A Texas man convicted of killing a police informant two decades ago was executed last night after the US Supreme Court rejected arguments that he was too mentally impaired to qualify for the death penalty.

HUNTSVILLE, Texas // A Texas man convicted of killing a police informant two decades ago was executed last night after the US Supreme Court rejected arguments that he was too mentally impaired to qualify for the death penalty.

Marvin Wilson, 54, was pronounced dead at 6.27pm, 14 minutes after his lethal injection began at the state prison in Huntsville. Wilson's attorneys had argued that he should have been ineligible for capital punishment because of his low IQ.

Before the lethal drug was administered, Wilson smiled and raised his head from the death-chamber gurney, nodding to his three sisters and son as they watched through a window a few feet away. He told them several times that he loved them and asked that they give his mother "a big hug."

"Y'all do understand that I came here a sinner and leaving a saint," he said. "Take me home Jesus, take me home Lord, take me home Lord!"

He urged his son not to cry, told his family he would see them again, and then told the warden standing next to him that he was ready. He didn't acknowledge his victim's father, two brothers and an uncle who were watching through an adjacent window. They later declined comment.

As the drug took effect, Wilson quickly went to sleep. He briefly snored before his breathing became noticeably shallow. Then it stopped.

In their appeal to the Supreme Court, Wilson's attorneys had pointed to a psychological test conducted in 2004 that pegged his IQ at 61, below the generally accepted minimum competency standard of 70. But lower courts agreed with state attorneys, who argued that Wilson's claim was based on a single possibly faulty test and that his mental impairment claim wasn't supported by other tests and assessments over the years.

The Supreme Court denied his request for a stay of execution less than two hours before his lethal injection began. Lead defence attorney Lee Kovarsky said he was "gravely disappointed and saddened" by the ruling, calling it "outrageous that the state of Texas continues to utilise unscientific guidelines ... to determine which citizens with intellectual disability are exempt from execution".

Wilson was convicted of murdering 21-year-old Jerry Williams in November 1992, several days after police seized 24 grams of cocaine from Wilson's apartment and arrested him. Witnesses testified that Wilson and another man, Andrew Lewis, beat Williams outside of a convenience store in Beaumont, about 80 miles east of Houston. Wilson, who was free on bond, accused Williams of snitching on him about the drugs, they said.

Witnesses said Wilson and Lewis abducted Williams, and neighbourhood residents said they heard a gunshot a short time later. Williams was found dead on the side of a road the next day, wearing only socks, severely beaten and shot in the head and neck at close range.

Wilson was arrested the next day when he reported to his parole officer on a robbery conviction for which he served less than four years of a 20-year prison sentence. It was the second time he had been sent to prison for robbery.

At Wilson's capital murder trial, Lewis' wife testified that Wilson confessed to the killing in front of her, her husband and his own wife.

"Don't be mad at Andrew because Andrew did not do it," Lewis' wife said Wilson told them. "I did it."

Lewis received a life prison term for his involvement.

In Wilson's Supreme Court appeal, Kovarsky said Wilson's language and math skills "never progressed beyond an elementary school level," that he reads and writes below a second-grade level and that he was unable to manage his finances, pay bills or hold down a job.

The Supreme Court issued a ruling in 2002 outlawing the execution of the mentally impaired, but left it to states to determine what constitutes mental impairment. Kovarsky argued that Texas was trying to skirt the ban by altering the generally accepted definitions of mental impairment to the point where gaining relief for an inmate is "virtually unobtainable".

"That neither the courts nor state officials have stopped this execution is not only a shocking failure of a once-promising constitutional commitment, it is also a reminder that, as a society, we haven't come quite that far in understanding how so many of those around us live with intellectual disabilities," Kovarsky said shortly after the court refused to stop Wilson's execution.

State attorneys say the court left it to states to develop appropriate standards for enforcing the ban and that Texas chose to incorporate a number of factors besides an inmate's IQ, including the inmate's adaptive behaviour and functioning.

Edward Marshall, a Texas assistant attorney general, said records show Wilson habitually gave less than full effort and "was manipulative and deceitful when it suited his interest," and that the state considered his ability to show personal independence and social responsibility in making its determinations.

"Considering Wilson's drug-dealing, street-gambler, criminal lifestyle since an early age, he was obviously competent at managing money, and not having a 9-to-5 job is no critical failure," Marshall said. "Wilson created schemes using a decoy to screen his thefts, hustled for jobs in the community, and orchestrated the execution of the snitch, demonstrating inventiveness, drive and leadership."

Wilson's lawyers also had argued that additional DNA tests should be conducted on a gray hair from someone white that was found on Williams' body, suggesting someone else killed him. Wilson, Williams and Lewis are black.

Ed Shettle, the Jefferson County assistant district attorney who prosecuted Wilson, dismissed the theory of another killer as a "red herring."

"There was some testimony Marvin said: `We're going to show you what happens to snitches around here,"' Shettle said.

Wilson was the seventh person executed by lethal injection in Texas this year. At least nine other prisoners in the nation's most active death penalty state have execution dates in the coming months, including one later this month.

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