Nicholas Umphenour, 29, appears on court where he was sentenced...

Nicholas Umphenour, 29, appears on court where he was sentenced to life in prison, Oct. 4, 2024, at the Ada County Courthouse in Boise, Idaho, for helping a prison inmate escape by ambushing and shooting correctional officers at a Boise hospital. Credit: AP/Ali Al Saedi

LEWISTON, Idaho — Prosecutors intend to seek the death penalty if an Idaho white supremacist gang member is convicted of killing a man while he was on the run after shooting officers in a plot to help a fellow gang member escape from prison.

Nez Perce County Prosecutor Justin Coleman announced Thursday that the death penalty would be sought if Nicholas Umphenour is convicted of a murder charge in the March death of James Mauney, 83, of Juliaetta, KHQ-TV reported.

Umphenour appeared in Nez Perce County Court on Thursday via video from the county jail and is scheduled for an arraignment Dec. 12. He's being held without bond, news outlets reported. Umphenour's attorney, Brian Marx, did not immediately respond to a phone message seeking comment.

Umphenour was sentenced to life in prison last month in a separate court case in which he helped inmate Skylar Meade escape from a Boise hospital where Meade had been taken for treatment of self-inflicted injuries. Early on March 20, Umphenour began shooting as corrections officers and Meade were leaving the hospital.

Umphenour shot two of the officers, and a third was shot when another officer mistook him for the shooter and opened fire, police said. All three survived.

Umphenour pleaded guilty to aiding and abetting escape and aggravated assault and battery on law enforcement officers in that case.

Meade and Umphenour then fled, investigators said, driving several hours to north-central Idaho.

This file photo provided by Twin Falls County Sheriff's Office...

This file photo provided by Twin Falls County Sheriff's Office in Idaho shows Nicholas Umphenour. Credit: AP

Mauney had taken his dogs for a walk on a local trail later that morning and never returned. His body was found miles away near Leland, Idaho.

Police said that soon after, the two men headed back to southern Idaho. Mauney’s stolen minivan was found in Twin Falls, where the men were arrested, police have said.

“Seeking the death penalty is appropriate in this case considering the defendant’s complete lack of regard for the life of Mr. Mauney," Coleman said in a statement. “We’ll continue to fight in both this case and the co-defendant’s case to get justice for the victim.”

Meade also has been sentenced to life in prison in the March 20 escape. He is facing the same murder charge in Nez Perce County and possible death penalty if convicted. He has had a not guilty plea entered for him while his case continues.

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Newsday Live presents a special evening of music and conversation with local singers who grabbed the national spotlight on shows like "The Voice," "America's Got Talent,""The X-Factor" and "American Idol." Newsday Senior Lifestyle Host Elisa DiStefano leads a discussion and audience Q&A as the singers discuss their TV experiences, careers and perform original songs.

Newsday Live Music Series: Long Island Idols Newsday Live presents a special evening of music and conversation with local singers who grabbed the national spotlight on shows like "The Voice," "America's Got Talent,""The X-Factor" and "American Idol." Newsday Senior Lifestyle Host Elisa DiStefano leads a discussion and audience Q&A as the singers discuss their TV experiences, careers and perform original songs.

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