Texas executes killer who claimed mental impairment

Texas executes killer who claimed mental impairment
Convicted killer Robert Ladd was executed by lethal injection

WASHINGTON - The state of Texas on Thursday executed a convicted rapist-killer whose lawyers argued was severely mentally impaired, hours after the US Supreme Court refused last-minute appeals to spare him.

Robert Ladd, who had an IQ of 67, was executed by lethal injection at 7:02 pm (0102 GMT Friday) in the state's death chamber in Huntsville, justice department spokesman Jason Clark said.

Ladd's lawyers had asked the Supreme Court to intervene because some mentally impaired death-row convicts have been spared. A second appeal based on the lethal injection was also denied.

After mentioning several people by name and thanking his family, Ladd's final words were, "Let's ride." The case attracted considerable attention in part because Texas's top appeals court used what some saw as a bizarre benchmark to determine mental impairment.

The court cited the slow-minded character Lennie from John Steinbecks's "Of Mice and Men" as an example of someone who "might" be exempted from the death penalty.

"This case is indeed stranger than fiction," said Ladd's attorney Brian Stull, of the American Civil Liberties Union's capital punishment project.

"Anywhere else in the country, Mr Ladd's IQ of 67 would have meant a life sentence, not death." He said Texas had severely misjudged Ladd's mental capacity and was "relying on standards for gauging intelligence crafted from 'Of Mice and Men' and other sources that have nothing to do with science or medicine." "Robert Ladd's fate shouldn't depend on a novella," he said.

The lawyer added that Ladd, 57, was "fairly obviously retarded" and his life had been "full of evidence of his intellectual disability." A Texas psychiatrist had deemed Ladd mentally impaired from the age of 13 and by 18 he was in a specialist centre for people with mental handicaps, according to a court document.

Maurie Levin, another of Ladd's attorneys, had also tried to get the execution halted by calling into question the quality of one of the drugs used to kill him, pentobarbital.

Ladd was sentenced to death for the 1996 rape and murder of a young woman whose apartment he had raided and burned.

The killing occurred while Ladd was on parole for a separate 1978 stabbing and arson that killed a woman and her two children.

Ladd's execution is the second this week in the United States. On Tuesday, the state of Georgia executed Warren Hill, a double killer whose lawyers said he too was intellectually disabled.

The Supreme Court also rejected his last-minute appeals.

So far this year, the United States has executed six death-row prisoners.

Two took place in Texas, which puts more prisoners to death than any other state and has executed 520 convicts since the death penalty was reinstated in 1976.

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