PITTSBURGH -- The district attorney says a 16-year-old charged with stabbing 21 other students and a security officer at his Pittsburgh-area high school used two "ordinary kitchen knives."
Westmoreland County District Attorney John Peck called the weapons "common items you'd find in a kitchen."
However, he stopped short of saying that the suspect, Alex Hribal, took them from his home.
Peck says he doubts anyone other than Hribal will be held criminally responsible for bringing the knives to Franklin Regional High School in Murrysville on Wednesday.
The prosecutor says the knives weren't designed to be weapons, and didn't need to be stored in any particular way under the law.
Hribal is being held without bail in a juvenile detention center, though he's charged as an adult with attempted homicide and aggravated assault.
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