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Prison and state officials have released few details since then, although White Pine County Sheriff Scott Henriod confirmed Friday that all three men died of stab wounds, or "multiple sharp force injuries.”

“This is an ongoing investigation,” Henriod said in an email to The Associated Press.

The other victims identified earlier were Connor Brown, 22, of South Lake Tahoe, California, and Zacharia Luz, 42, of Las Vegas.

Luz was identified as a street-level leader of the Aryan Warriors white supremacist prison gang. He and Williams were among 23 reputed members of the gang who were in Las Vegas involving murder, drug trafficking and identity theft in 2019.

That indictment tied Williams and another person to the 2016 stabbing death of Andrew Ryan Thurgood in a cell at High Desert State Prison in southern Nevada.

Williams pleaded guilty to open murder in Las Vegas in 2021 in a plea deal that took the death penalty off the table. He also was convicted of being a habitual offender and was sentenced to life without parole at the prison in Ely, about 40 miles (64 kilometers) west of the Utah line, the Nevada Department of Corrections said.

Luz was sentenced last year to seven to 18 years in prison for his conviction on felony racketeering and forgery charges, the department said.

Brown was serving a seven- to 20-year sentence for robbery with use of a deadly weapon, the department said. He was after pleading guilty to stabbing a gas station clerk and a casino patron in downtown Reno in 2020.

Authorities have not said what prompted the violence at the prison this week. Henriod said sheriff’s deputies were summoned about 9:40 a.m. on Tuesday.

No corrections officers were injured, prison officials said.

Ely State Prison is one of six Nevada prisons. It has almost 1,200 beds and houses the state's death row for convicted killers and a lethal injection chamber that has never been used. Nevada has not carried out an execution since 2006.

Conditions behind bars in the state have drawn criticism from advocates, particularly during hot summers and cold winters. In December 2022, several people incarcerated at Ely State Prison over what advocates and some family members described as and inadequate food portions.

before reaching the state Legislature last year to respond to a yearslong state audit that found widespread deficiencies in prison use-of-force policies.