RED LAKE, Minn. (WCCO) – A 60-year-old Red Lake man has been sentenced for sexually abusing two young girls, according to the United State Attorney’s Office.

On Monday, Dean Earl Wilkens received 30 years in prison and supervised release for life on four counts of aggravated sexual abuse. He is also ordered to register as a sex offender.

Between Dec. 12, 2008 and Dec. 12 2011, Wilkens engaged in sexual acts with two minor females while on the Red Lake Indian Reservation. The FBI was informed about one of the assaults after a victim told a school official on Dec. 12, 2011.

Wilkens was indicted on May 21, 2012 and convicted on July 24, 2012.