A Casper man already serving time for one sex crime, is accused of being involved in an another case.

Forty-nine year old Rick Olsen, has pleaded not guilty to one charge of second degree sexual abuse of a minor.

Investigators with the Casper Police Department say from May 2014 through June 2015 the then six-to-seven year old victim told them Olsen made him/her touch him (Olsen) multiple times.

He is awaiting trial in the new case, and could face up to 15 years in prison if convicted.