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US’ Alabama carries out country’s 1st execution by nitrogen gas

The W.C. Coleman Correction Facility oversaw the execution of convicted killer Kenneth Eugene Smith in Atmore, Alabama, U.S., Jan. 25, 2024. (EPA Photo)

The U.S. state of Alabama carried out Thursday the country’s first execution using pure nitrogen gas. The southern state put to death a convicted murderer using the controversial method criticized by human rights advocates.

Kenneth Eugene Smith was pronounced dead at 8:25 p.m. (2:25 p.m. GMT Friday), according to the state attorney general.

“Justice has been served. Tonight, Kenneth Smith was put to death for the heinous act he committed over 35 years ago,” the statement by Attorney General Steve Marshall said.

Smith, 58, was on death row for more than three decades after being convicted of the 1988 murder-for-hire of a pastor’s wife.

He was put to death at Holman Prison in Atmore, Alabama by nitrogen hypoxia, which involved pumping nitrogen gas into a facemask, causing him to suffocate.

According to media witnesses, he “began writhing and thrashing for approximately two to four minutes, followed by around five minutes of heavy breathing,” local news outlet reported.

Alabama Department of Corrections Commissioner John Hamm told reporters that it appeared Smith was “holding his breath as long as he could” and that there was “involuntary movement” and gasping, which was “expected.”

The curtain over the media witness room opened at 7:53 p.m., said, with Smith pronounced dead less than 35 minutes later.

Robin Maher, executive director of the Death Penalty Information Center said previously that Alabama was “using an untested, unproven method of execution.”

“It’s never been used before to execute anyone in the United States, or anyone in the world as far as we know,” Maher told Agence France-Presse (AFP).

Smith was subjected to a botched execution attempt in November 2022, when prison officials were unable to set intravenous lines to administer a lethal injection.

Smith’s last words Thursday were, “Tonight, Alabama caused humanity to take a step backward,” according to the local CBS affiliate, whose reporter witnessed the execution.

“I am leaving with love, peace and light … I love you. Thank you for supporting me. I love all of you,” Smith said.

According to the Alabama Department of Corrections, Smith had a last meal of steak, hash browns and eggs Thursday morning.

The last U.S. execution using gas was in 1999 when a convicted murderer was put to death using hydrogen cyanide gas.

There were 24 executions in the United States in 2023, all of them carried out by lethal injection.

Alabama is one of three U.S. states that have approved the use of nitrogen hypoxia as a method of execution, along with Oklahoma and Mississippi.


Ravina Shamdasani, a spokeswoman for the U.N. rights office in Geneva, urged Alabama last week to abandon the plan to execute Smith using what she called a “novel and untested” method.

Shamdasani said it could “amount to torture or other cruel, inhuman or degrading treatment or punishment, under international human rights law.”

While nitrogen gas had never previously been used to execute humans in the United States, it is sometimes used to kill animals.

But Shamdasani pointed out that even the American Veterinary Medical Association recommends giving large animals a sedative when being euthanized in this manner.

Alabama’s protocol for execution by nitrogen asphyxiation makes no provision for sedation.

The state of Alabama defended the method of execution, claiming it is “perhaps the most humane method of execution ever devised.”

Smith and an accomplice, John Parker, were convicted of the 1988 murder of Elizabeth Sennett for which they were each paid $1,000. Parker was executed by lethal injection in 2010.

Charles Sennett, who had arranged his wife’s murder, killed himself a week after her death.

Speaking to reporters after the execution Thursday, Elizabeth Sennett’s son Mike Sennett said it had been a “bittersweet” day for his family, as “nothing that happened here today is going to bring Mom back.”

“We’re not going to be jumping around, hooting and hollering and hooray and all that, that’s not us. But we’re glad this day is over,” he said.

Smith had appealed to the U.S. Supreme Court for a stay of execution but the nation’s highest court denied the request.

According to a recent Gallup Poll, 53% of Americans support the death penalty for someone convicted of murder, the lowest level since 1972.Capital punishment has been abolished in 23 U.S. states, while the governors of six others – Arizona, California, Ohio, Oregon, Pennsylvania and Tennessee – have put a hold on its use.

By Agence France-Presse – AFP

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