Tonight's Las Vegas Most Wanted sexually assaulted a five year old boy, see if you can help police find him.

Campbell is a convicted sex offender who has not check in with authorities since he was parolled.

Campbell sexually assault a five year old and the boy's 18-month-old brother numerous times.

He did more than 20 years in prison, but hasn't contacted his probation officer since he was released.

Robert Edward Campbell, 54, is 5 feet 6 inches tall and weighs 165 pounds. He has brown hair and brown eyes.

Cambpell has a bunch of tattoos including "I was born to raise hell" on his upper right arm, "love" on his left fingers, "hate" on his right fingers, and three tattoos on his face.

His crime: sexual assault.

If you know where this guy is please call Parole and Probation at 775-684-2644.