An Oklahoma jury on Friday sentenced Alton Nolen, 33, to death for beheading his co-worker Colleen Hufford, 54, at Vaughan Foods a meat processing plant. The incident occurred September 24, 2014, when Nolen attacked two co-workers after being fired. Nolen received 130 years in prison for Assault And Battery on October 2 for also attacking employee Tracy Johnson who had also injured.

Nolen's lawyers tried arguing that he had misinterpreted the Quran and that he was mentally ill. Cleveland County District Attorney Greg Mashburn argued that Nolan knew right from wrong at the time of the attack. Prosecutors also played a taped confession in which Nolen stated that he had no regrets to the attacks, reported by CBS News.

Cleveland County District Judge Lori Walkley accepted the jury's decision and sentenced him to death by lethal injection. Judge Walkley stated,”may God have mercy on your soul,” reported by Oxygen.

Nolen will be the 48th person placed on Oklahoma [VIDEO]'s death row. The last person to receive the death penalty in Oklahoma was William Eugene Davis in 2010. Davis was sentenced for the murder of three women. Davis died in prison in 2012.

Attack

Nolen had been fired from work prior to the attack after numerous employees filed complaints about his behavior toward them. Nolen who had converted to Islam and had tried to get his co-workers to convert to the religion.

After being fired he went back to the plant to confront his employer and his co-workers.

Nolen walked into the processing plant and stopped in front of the admiration office. Colleen Hufford and Tracy Johnson were both standing there when he attacked them. Chief Operating Officer Mark Vaughan who also is an Oklahoma deputy shot and wounded Nolen when he saw the attack occur.

Alton Nolan

Nolan had been no stranger to authorities and had a previous criminal record. He was charged previously with assault and battery of a police officer, driving with a suspended drivers license, cocaine, and possession of a controlled substance. Nolen had been raised Baptist and had converted to Islam while he had been in prison serving time. He had also changed his name to Jah'Keem Yisrael after he converted.

According to investigators, Nolen had also posted on Facebook condemning the United States and Israel. He also showed support to the Taliban and Isis. He also posted that Sharia law was coming and had uploaded video’s which were very graphic showing people being beheaded by ISIS and the Taliban.

Victims daughter

Kelli Baranek, daughter of Colleen Hufford, spoke after the sentencing. Baranek stated, “I won’t lie. There were days it was really hard to sit there very quiet and understand it’s all part of the process, but I also knew this day would come and here we are,” reported by KFOR News.