NACOGDOCHES, TX (KTRE)- Jury selection today for a sexual assault case authorities call, "unique". Tammy Jean Butler is accused of the sexual assault of a 15 year old girl. The teen considered Butler a trusted friend, but allegedly became involved in unlawful sex acts. Upon discovering the activity, Tammy Jean's husband, Marlin became involved. Tammy's trial will begin on the 3oth.