Lockdown lifted at Glen A. Wilson High School in Hacienda Heights after threatening note

A threatening note found inside a textbook that claimed a shooter would strike at lunchtime sparked a lockdown at Glen A. Wilson High School in Hacienda Heights on Monday.

A student alerted school administrators at about 9:20 a.m., at which point a full school-wide lockdown was initiated, according to Hacienda La Puente Unified School District Superintendent Cynthia Parulan-Colfer.

Los Angeles County sheriff's deputies swarmed the campus to conduct a campus-wide search. The lockdown was lifted at 1:50 p.m. after officials determined students and faculty were safe and there was no threat to the campus.

"We know that this is a stressful situation for everyone involved and we apologize and share in the anxiety that we know this creates for parents," Parulan-Colfer said. "Our commitment is to providing parents and the community with as much information as quickly and accurately as possible."

Parents with further questions were asked to contact the superintendent's office directly at (626) 933-3801.
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school lockdownhigh schoolHacienda HeightsLos Angeles County
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