Twenty-three year old Christopher Tillar of Lufkin was arrested by Angelina County Sheriff's deputies Monday and charged with sexual assault. The alleged rape took place last November. Investigators say tillar admitted knowing the girl was only 14. In 1998 he was convicted of molesting a 3-year-old girl. Tillar served seven years in the Texas Youth Commission for that crime. He has been arrested and indicted several times for failure to comply with his sex offender release.