 Duncan was arrested in Kansas and returned to prison in 1997 after violating the terms of his parole; he was released from prison on July 14, 2000 with time off for good behavior and moved to Fargo, North Dakota.In March 2005, Duncan was charged with the July 3, 2004 molestation of two boys at a playground in Detroit Lakes, Minnesota.On April 5, 2005, he appeared before a Becker County judge, who set bail at US$15,000.