A 17 year old Knoxville juvenile male has been charged with four counts of sexual abuse in the 2nd degree, which is a class B felony, on charges of sexual abuse on a child under the age of 12. A witness observed the defendant in the commission of one of the sex acts on January 19. The defendant admitted the act to the arresting deputy on that date as well, and he admitted to having committed the same act at dates and times unknown, between January 2013 until the 19th of this month. A no contact order has been filed, and the defendant is being held in the Marion County Jail on $100,000 bond.