NORMAN, Okla. (AP) — The Latest on an Oklahoma man on trial for murder in the 2014 beheading of a co-worker(all times local):

3:50 p.m.

An Oklahoma man accused of beheading a co-worker at a food processing plant has been convicted of first-degree murder.

Jurors convicted Alton Nolen on Friday in the death of 54-year-old Coleen Hufford. She was killed in 2014 at the Vaughan Foods plant in suburban Oklahoma City.

Jurors deliberated for about two hours before reaching the verdict. They also found Nolen guilty of assault and battery with a deadly weapon in what prosecutors said was the attempted beheading of another co-worker.

Prosecutors have said they would seek the death penalty.

Investigators said Nolen had just been suspended from his job when he attacked Hufford in the company’s administrative office.

Defense attorneys argued during the trial that Nolen was insane when he killed Hufford, but prosecutors said Nolen knew right from wrong.

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2:30 p.m.

Jurors have started deliberations in the murder trial of an Oklahoma man charged with beheading a co-worker in 2014.

The jury got the case Friday after closing arguments.

Prosecutors told jurors 33-year-old Alton Nolen knew right from wrong when he killed 54-year-old Coleen Hufford. The two worked at Vaughan Foods in Moore.

Defense attorneys argue that Nolen was insane when he killed his co-worker. A psychologist testified for the defense that Nolen was insane at the time of the attack, is currently mentally ill and is getting sicker.

Nolen is charged with first-degree murder and five counts of assault, including the attack and attempted beheading of another co-worker.

If convicted, Nolen faces a possible death sentence.

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12:40 p.m.

Prosecutors have told jurors that an Oklahoma man facing a possible death sentence knew right from wrong when he beheaded a co-worker in 2014.

The Oklahoman reports that closing arguments are underway Friday in the murder trial of 33-year-old Alton Nolen, who is accused in the beheading of 54-year-old Coleen Hufford at Vaughan Foods in Moore on Sept. 25, 2014.

Defense attorneys argue that Nolen was insane when he killed his co-worker and wounded another. A psychologist testified for the defense that Nolen was insane at the time of the attack, is currently mentally ill and is getting sicker.

If convicted, Nolen faces a possible death sentence.

Nolen is charged with first-degree murder and five counts of assault, including the attack and attempted beheading of another co-worker.