Jamar Siler – Pics of Knoxville high school delinquent Jamar Siler who shot and killed sophomore Ryan McDonald in the school cafeteria without warning.

15-year old Jamar Siler was arrested six blocks from the school by Knoxville, TN police for the murder of Ryan McDonald as Siler walked home still carrying the murder weapon.

Coincidentally, Knoxville police [...]