Killeen ISD Superintendent Dr. Jo Ann Fey also revealed on Friday that 14-year-old Serenity Baker was stabbed in the neck with a 3.5-inch tactical folding knife on March 10.

The mother of Serenity Baker, the student fatally stabbed at Roy J. Smith Middle School, addressed the Killeen ISD board during a meeting.

KILLEEN, Texas (KWTX/Gray News) - A Texas superintendent said a weapons detection system at a middle school was not working the day a student was fatally stabbed during an altercation.Killeen ISD ...