The U.S. Marshals Service is offering a reward of up to $10,000 for information leading to the capture of a serial child rapist from Illinois who has been on the run for two decades.

Herman Carroll, 70, was arrested July 3, 2000, on accusations he sexually assaulting his 12-year-old daughter, according to the federal agency. Carroll posted bail, but failed to appear for a court hearing in Moultrie County, Illinois.

He is a child sex offender with prior convictions in 1983 and 1993.

In addition to the failure to appear charge, he is also wanted in Moultrie County for predatory criminal sexual assault of a child, criminal sexual assault, and aggravated criminal sexual abuse.

Carroll has family in the Peoria and Mt. Vernon areas of Illinois. Investigators believe he may be hiding out in homeless camps in Springfield, Missouri. Marshals note the last confirmed sighting of the suspect was at a park in Branson, Missouri, in 2012.

Carroll is a carpenter by trade, specializing in trim finishing in new construction. His interests include stained glass, which he has been known to sell on the street.

Carroll is a white male, standing 5 feet 7 inches tall. He has brown hair and hazel eyes. He has a birthmark/discoloration on his abdomen and scars on his right finger and his left wrist. On his left shoulder, Carroll has a tattoo of a red heart with the name "JOANNE" in the center. On his right shoulder, he has a tattoo of a family tree with the initials of family members on two branches.

Carroll has been featured several times on “America’s Most Wanted” and “The Hunt with John Walsh.”

Anyone with information on Carroll’s whereabouts should contact the U.S. Marshals Service Tip line at 1-877-WANTED2 or text a tip to the USMS Tips App here.