(Stillwater, Okla.) – An inmate in the Cimarron Correctional Facility was charged Thursday with attacking a man with a homemade sharpened object called a shank in the private prison in Cushing on March 13.

If convicted of possessing the weapon in a correctional facility after a former felony conviction, Aaron E. Eyob, 29, could be given a sentence of 20 years to life in prison, according to the charge filed by Payne County First Assistant District Attorney Kevin Etherington.

If convicted of the additional count of assault and battery with a dangerous weapon after a former felony conviction, Eyob could be given a 10-year prison term and a $10,000 fine, court records show.

According to the state Department of Corrections, Eyob has been incarcerated for the past 10 months on a five-year prison sentence, to be followed by 10 years of probation, for possession of a firearm and possession of marijuana with intent to distribute in Oklahoma County in 2013.

Eyob has also been serving a concurrent five-year prison term, to be followed by five years of probation, for possession of marijuana in Payne County in 2013, court records show.

Eyob also was convicted of assault and battery on an emergency medical technician in 2011 in Tulsa County, for which he was given a four-year prison term of which he served less than half, DOC records show.

Eyob also was convicted of second-degree burglary and grand larceny in 2009 in Tulsa County, for which he was given a two-year prison term, of which he served about one year, followed by probation for one year, DOC records show.

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