Attorneys for a Texas death row inmate who gouged out his own eyes are seeking clemency for their mentally ill client. 

The layers say Andre Thomas, 39, will never be competent enough for his April 5 execution and – along with more than 100 faith leaders and dozens of mental health professionals – have asked the Texas Board of Pardons and Paroles and Gov. Greg Abbott to commute his sentence to life in prison or grant a reprieve in order for the courts to determine his competency for execution.

"Gov. Abbott has the power to stop the spectacle of prison guards leading a blind, mentally incompetent delusional man to the death chamber," attorney Maurie Levin said, according to The Associated Press. 

Thomas, who started hearing voices when he was nine years old and first attempted suicide when he was ten, fatally stabbed his 20-year-old estranged wife, Laura Christine Boren, their four-year-old son Andre Lee and her 13-month-old daughter Lehya Marie Hughes in 2004 in Sherman, Texas. He also cut out the hearts of the two children and later told police that God had instructed him to commit the killings and that he believed all three were demons.

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Bookings photos of death row inmate Andre Thomas

This combination of undated inmate photos provided by Andre Thomas' attorney, Maurie Levin, shows bookings photos of death row inmate Andre Thomas from Grayson County Jail, left, and the Texas Department of Criminal Justice, center and right. Attorneys for the mentally ill prisoner, along with faith leaders and mental health professionals, are working to stop his April 5, 2023, execution, saying he'll never be competent enough to be put to death. Thomas was sentenced to death for a 2004 attack in which he fatally stabbed his estranged wife, their four-year-old and her 13-month-old daughter, ripping out the hearts of the two children. His lawyers say Thomas' delusions later drove him to gouge out both of his eyes.  (Courtesy Maurie Levin via AP)

Thomas was sentenced to death for killing the little girl after jurors rejected his insanity defense, and prosecutors argued that he knew his actions were wrong and exacerbated his mental condition with drug use. 

Thomas has spent the last 15 years at a unit for the state's most mentally ill prisoners, located south of Houston. He has – since the killings – gouged out his eyes. His attorneys said he ate one of his eyes to ensure that the government could not hear his thoughts. 

Authorities say that Thomas' victims and their families should not be forgotten and that, if he is found competent, the execution should go forward. 

Texas death row inmate Andre Thomas

This photo provided by the Texas Department of Criminal Justice shows Texas death row inmate Andre Thomas.  (Texas Department of Criminal Justice via AP)

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"A jury has spoken about what justice should be in this case. We are not going to ignore that," J. Kerye Ashmore, of the Grayson County District Attorney’s Office, said, according to The AP.

Thomas' attorneys have said his trial was problematic, because jurors who said they opposed interracial marriage were allowed to serve. Thomas is Black, and his estranged wife was White. 

Abbott

Texas Gov. Greg Abbott attends a press conference where he signed Senate Bills 2 and 3 at the state Capitol on June 8, 2021, in Austin, Texas.  (Montinique Monroe/Getty Images)

His attorneys will have to file a court motion asking that his competency be reviewed, but a judge would ultimately decide the issue.

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Abbott has granted clemency to only one death row inmate since taking office in 2015.

The Associated Press contributed to this report.