FLEMINGTON, NJ – A senior corrections officer at Edna Mahan Correctional Facility has been arrested and charged on 15 counts.

Ronald Coleman Jr., 39, of Bethlehem Township, Pa., was arrested at his home following a joint investigation by the Hunterdon County Prosecutor’s Office Special Victims Unit and the New Jersey Department of Corrections Special Investigations Division, according to Hunterdon County Prosecutor Anthony P. Kearns, III.

Coleman has worked at the Mahan facility – which is in Union Township and is the state’s only women’s prison – since Sept., 2000, the release states. While there, he had a sexual relationship with three of its inmates, Kearns said.

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Coleman was charged with seven counts of second-degree official misconduct; two counts of second-degree sexual assault; two counts of second-degree conspiracy to commit sexual assault; one count of second-degree pattern of official misconduct; and three counts of fourth-degree criminal sexual contact.

Bethlehem (Pa.) police assisted in the arrest and Coleman was lodged in Northampton County Jail to await extradition to New Jersey, Kearns said.