During his shift one evening, he summoned the inmate to the guard office, took her outside of her housing unit and sexually abused her in a janitor’s closet, prosecutors said. Rivera pleaded guilty to six counts of sexual abuse of a ward and is facing a maximum penalty of 15 years in prison on each count, prosecutors said.

A 47-year-old ex-prison guard from Kapolei pleaded guilty Monday to raping female inmates while he worked at the Federal Detention Center Honolulu, according to a plea agreement with the U.S. Department of Justice.

A former Hawaii correctional officer has pleaded guilty to sexually abusing inmates while working at the Federal Detention Center in Honolulu.