A Casper man already serving time for one sex crime has admitted to sexually abusing a young child.

Rick Olsen has pleaded guilty to one charge of second degree sexual abuse of a minor.

According to court documents, the six- to seven-year-old victim told Casper police that Olsen made the victim touch him multiple times from May 2014 through June 2015.

As part of a plea deal, prosecutors will seek a 60-to-80 month prison sentence to run concurrently -- or at the same time -- with the sentence that he's currently serving in federal prison.

He will be sentenced at a later date.

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