NORMAN, Okla. (AP) — Jurors have heard a recorded confession of a man charged with murder for beheading a co-worker at a food plant in Oklahoma.

Prosecutors on Wednesday played recordings of 33-year-old Alton Nolen that were made while he was hospitalized after the 2014 attack. He's accused of killing 54-year-old Colleen Hufford and attacking another co-worker at Vaughan Foods in Moore.

In the recordings, Nolen says he doesn't "regret it at all" and that "oppressors don't need to be here."

Nolen's attorneys say he's mentally ill and believed he was doing the right thing because of his delusion...