STEVENS POINT, Wis. (WSAU) - A sex offender convicted of sexually assaulting teenage girls in 2004 is being released into Stevens Point today.

Thirty-one-year-old Curtis Rieben has finished serving his prison sentence. He was convicted of assaulting girls between 13 and 15-years-old. Police say some of the victims were juvenile runaways.

Rieben must register with the state's sex offender registry for the rest of his life and will have to report to police in person.

He cannot have any unsupervised contact with children younger than 18.