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Officials: Son accused of killing Oklahoma Labor Commissioner beaten in jail

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Christian Costello

OKLAHOMA CITY – A man accused of killing an Oklahoma official is recovering after being beaten while in jail, officials say.

Christian Costello is behind bars and charged with the first-degree murder of his father, Mark Costello, in August of last year.

Mark Costello, who was the state’s labor commissioner at the time, agreed to meet his son at a Braum’s restaurant along N. May Ave.

While at the restaurant, witnesses say Christian stabbed his father repeatedly. Mark Costello later died from his injuries.

Following his arrest for the murder, Costello has been held at the Oklahoma County Jail.

Mark Opgrande, with the Oklahoma County Sheriff’s Office, says Christian Costello was attacked by two other inmates on Monday.

Officials say Costello was being let out of his cell when two other inmates pushed through their cell doors and attacked him.

Opgrande says the other inmates were able to jam their cell doors, taking advantage of a fault in the locking mechanism that has plagued the jail.

After jamming open their cell doors, Opgrande says the inmates pushed Costello into his cell and beat him before dragging him into the open area, where the attack continued.

Costello was treated for his injuries at the jail infirmary.

He has since been moved back to a cell at the Oklahoma County Jail.