Campus Alert Archive
Las Positas

A Bright-Blue Nerf Gun Locked Down Las Positas Two Days After Las Vegas

CAarmed personemergency notificationmedium confidence
UnfoundedNo evidence of an actual threat was found. The institutional response is documented because the alert communication is identical to what would occur during a real incident.

At about 10:45 AM PDT on Wednesday, October 4, 2017, a Las Positas College faculty member saw what they believed to be a rifle partially concealed in a student's backpack and notified campus safety, which immediately ordered a shelter-in-place and called Livermore Police. The campus-wide SMS alert went out at 10:58 AM PDT. Officers eventually located the student in a classroom — the weapon was a bright-blue Nerf gun he had brought as an event prop. The roughly one-hour lockdown lifted shortly before noon.

Alerts
3
Response
—
Killed
0
Injured
0
Institution
Las Positas College
Community College · CA
~8,500 studentsCLPCCD Emergency Alert
Confirmed Timeline

Alert Sequence

3 messages in sequence

Some alert texts below are approximate reconstructions from news coverage, not confirmed verbatim transcripts. Reconstructed texts are shown in italic with a dashed border. Verified verbatim texts have a solid border and are marked accordingly.

INITIAL ALERTSMS
Approximate reconstruction180 chars
Las Positas Alert: SHELTER IN PLACE in effect on campus. Reported person with a possible weapon. Lock doors, stay away from windows, await further instruction. This is not a drill.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

Reconstructed from ABC7 News's contemporaneous reporting that placed the initial SMS at 10:58 AM PDT, 13 minutes after the faculty member's 10:45 AM report
Las Positas's emergency notification system included text alerts, an internal public-address system, and an external building public-address system — all activated during this incident
Officers responding to the Livermore Police call assumed the report described an actual rifle until they located the student in a classroom
UPDATEPA System
Approximate reconstruction193 chars
Attention Las Positas: Continue to SHELTER IN PLACE. Livermore Police are on campus and conducting a search. Remain inside locked rooms. Do not exit until you receive an all-clear notification.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

Reconstructed from local-media reporting describing the active Livermore PD search during the lockdown
Las Positas operates both internal and external building public-address systems for shelter-in-place orders — a layered approach in addition to SMS
The Las Vegas Route 91 mass shooting had occurred just two days earlier (October 1, 2017), heightening the urgency of every weapon-report response across California
ALL CLEARSMS
Approximate reconstruction176 chars
Las Positas Alert: ALL CLEAR. The shelter-in-place has been lifted. Officers determined the reported weapon was a toy. Campus operations resume. Thank you for your cooperation.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

Reconstructed from CBS San Francisco's account that the lockdown lasted 'more than an hour' before being lifted
Officers located the 20-year-old student in a classroom; he said he had brought the bright-blue Nerf gun as a prop for an unrelated event and had no intent to disrupt
No criminal charges were filed; the incident prompted national coverage as a high-profile false-alarm in the immediate aftermath of the Las Vegas mass shooting
Context

Background

At approximately 10:45 AM PDT on Wednesday, October 4, 2017, a Las Positas College faculty member observed what they believed to be a rifle partially concealed in a student's backpack and notified campus safety, which immediately ordered a shelter-in-place and called Livermore Police. The SMS alert reached students at 10:58 AM PDT — 13 minutes after the initial faculty observation. Officers conducted a room-by-room search and eventually located the 20-year-old student in a classroom; the 'rifle' turned out to be a bright-blue Nerf gun he had brought as a prop for an unrelated event. The student said he had no intent to disrupt and faced no criminal charges. The roughly one-hour lockdown lifted shortly before noon. The incident drew national coverage — including from the Washington Times — in large part because it occurred only two days after the Las Vegas Route 91 mass shooting, when California campuses were operating at heightened sensitivity to any reported firearm. It is a representative case in the recurring 'toy-gun-prompts-lockdown' subgenre of community-college emergency alerts.
Analysis

Key Findings

A 13-minute lag between observation (10:45 AM) and SMS alert (10:58 AM) reflected Las Positas's then-current notification workflow — faculty report to safety office, safety office to Livermore PD, then text dispatch
The post-Las Vegas timing (two days after the October 1, 2017 Route 91 mass shooting) materially affected the response posture: a brightly colored toy that would have drawn a closer look in calmer times instead triggered an immediate full lockdown
No charges against the 20-year-old student illustrate a discretionary disposition that has become less common as campuses tightened their toy-weapon policies in the late 2010s
Outcome
Student, 20, found in a classroom with the Nerf toy gun. No criminal charges filed. Lockdown lifted before noon, approximately one hour after it began. Incident occurred two days after the Route 91 mass shooting in Las Vegas, contributing to a heightened state of alert.
Provenance

Sources

  1. News
    Student with Nerf toy gun prompted lockdown at Las Positas campus in Livermore (ABC7 San Francisco)
    abc7news.com
  2. News
    Nerf Gun Prompts Lockdown Of Las Positas College In Livermore (CBS San Francisco)
    cbsnews.com
  3. News
    Student With Toy Gun Prompted Las Positas Community College Lockdown (Patch)
    patch.com
  4. News
    Reported weapon at Las Positas turns out to be Nerf gun (Pleasanton Weekly)
    pleasantonweekly.com
  5. News
    Nerf gun prompts lockdown at California college (Washington Times)
    washingtontimes.com
  6. News
    Bright blue NERF gun triggers lockdown at CA community college (EAG News)
    eagnews.org
Tags
armed-personshelter-in-placelockdownfalse-alarmtoy-guncaliforniacommunity-collegelas-positaslivermorepost-las-vegasclpccdUnfounded
Added May 2026Updated May 2026Via ingestion