A murder suspect in Grayson County, Texas, quoted a Bible verse after using his hand to pluck out his own right eye.

According to the Sherman Herald Democrat, confessed killer Andre Thomas was in a county jail cell directly across from the book-in station Friday when he turned his back on the jail staff. After hearing a scream, personnel saw Thomas turn around with his eyeball in his hand.

Thomas is no stranger to mutilation. Police say he killed his wife, son and wife’s daughter in the woman’s apartment, mutilating each victim. According to the report, Thomas turned himself into police the day the bodies were discovered, having cut himself with a knife. After undergoing surgery, Thomas was transferred to the Grayson County Jail and placed on “suicide watch.”

After the eye-plucking incident, the Democrat reports, jail staff rushed to Thomas’ aid and brought him to the hospital.

Jail personnel say when they went to help Thomas, he quoted Mark 9:47, which states, “And if your eye causes you to sin, pluck it out. It is better for you to enter the kingdom of God with one eye than to have two eyes and be thrown into hell.”

Thomas’ attorneys have asked that he undergo a mental-health evaluation before his capital murder trial.

According to the report, Grayson County Attorney Joe Brown said the injury Thomas caused himself is not a clear-cut indication of mental illness. Brown said people do desperate things out of fear of punishment, as much as they do it out of insanity.

If convicted, Thomas could face the death penalty.

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