Students and faculty at Morristown High School will face metal detectors Monday.
The district has also canceled open lunch, forcing students to remain in the building the entire day.
Messages, including one to kill 15 people on Monday, were found in a boys bathroom last week.
The Sheriff's Office and the Morristown Police Department conducted a canine search of school lockers but found nothing.
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Information from: Daily Record, http://www.dailyrecord.com
