Campus Alert Archive
Temple

The ATF Warning That Hit Five Philly Schools at Once: October 5, 2015's Umpqua-Copycat Threat

PAthreat of violenceadvisorymedium confidence

On the morning of October 5, 2015 — four days after the Umpqua Community College shooting in Oregon killed nine — the FBI and ATF issued a safety warning to Philadelphia-area colleges about an anonymous online post threatening violence at 'a university near Philadelphia' at 1:00 PM Central / 2:00 PM Eastern that day. Temple University, the University of Pennsylvania, Drexel University, Philadelphia University, and the University of Delaware all issued community alerts. No incident occurred at the threatened time. The case is a textbook example of inter-institutional copycat-threat communications in the days after a mass shooting.

Alerts
2
Response
—
Killed
—
Injured
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Institution
Temple University
Public R1 · PA
~38,000 studentsTUalert
Confirmed Timeline

Alert Sequence

2 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 ALERTEmail
Approximate reconstruction513 chars
Temple University Community Alert: The FBI and ATF have informed Temple University of an anonymous online post threatening violence at 'a university near Philadelphia' at 2:00 PM Eastern today, October 5. The specific university was not named. Out of an abundance of caution, Temple University Police are increasing patrols across all campuses. Classes will proceed as scheduled. Students, faculty, and staff are urged to remain attentive and report any suspicious activity to Temple Police (215-204-1234) or 911.

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

Reconstructed from NBC Philadelphia's October 5, 2015 coverage of the FBI/ATF safety warning sent to multiple Philadelphia-area institutions
The threat did not name a specific university, which forced every Philadelphia-area institution to issue its own alert — a model of regional cascading communications
Temple's 'classes will proceed as scheduled' framing is consistent with FBI guidance against canceling operations in response to non-specific threats
The threat came four days after the October 1 Umpqua Community College mass shooting in Oregon, fitting a documented post-shooting copycat-threat pattern
ALL CLEAREmail
Approximate reconstruction314 chars
Temple University Update: The 2:00 PM time referenced in this morning's threat has passed without incident. Temple University Police continue to maintain increased visibility on campus through the end of the day. We thank the community for vigilance and patience. Please continue to report any suspicious activity.

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

Reconstructed from Temple University Daily News and NBC Philadelphia follow-up coverage noting no incident occurred
Issuing an all-clear when a specific time-stamp threat passes is a Clery best practice — silence after the deadline leaves students unsure whether they should still be afraid
'Increased visibility on campus through the end of the day' acknowledges that students remain anxious even after the named deadline has passed
Context

Background

On October 1, 2015, a gunman killed nine people and wounded eight others at Umpqua Community College in Roseburg, Oregon — the deadliest community-college shooting in U.S. history. Within four days, an anonymous online post threatened violence at 'a university near Philadelphia' at 1:00 PM Central / 2:00 PM Eastern on October 5. The FBI and ATF disseminated the post to Philadelphia-area higher-education institutions in a safety warning, which then cascaded into separate community alerts from Temple University, the University of Pennsylvania, Drexel University, Philadelphia University, and the University of Delaware. None of the institutions canceled classes; each increased police visibility. The 2:00 PM EDT deadline passed without incident, and each institution issued an all-clear later that afternoon. The episode is a representative example of how a non-specific regional threat — one that names no individual institution — forces every potential target to issue parallel alerts, a cascading-communication burden documented across the post-Sandy Hook copycat-threat literature. It also illustrates how FBI/ATF safety warnings to higher-education institutions function as a regional clearinghouse: a single intelligence input triggers five (or more) independent Clery-adjacent advisory messages, each calibrated to that institution's geography and audience. The October 2015 episode joined the October 6 Community College of Philadelphia lockdown from a different but related copycat threat — together demonstrating how the post-Umpqua threat wave hit Philadelphia twice in two days.
Analysis

Key Findings

A single anonymous online post triggered parallel community alerts at five Philadelphia-area institutions because no specific university was named
The threat came four days after the October 1 Umpqua Community College mass shooting — fitting the documented post-shooting copycat-threat pattern
FBI/ATF safety warnings to higher-education institutions function as a regional clearinghouse for non-specific threats
No institution canceled classes; FBI guidance discourages cancellation in response to non-specific threats
Issuing an all-clear when a specific time-stamp threat passes is a Clery best practice that prevents lingering anxiety
The October 5 episode and the October 6 Community College of Philadelphia lockdown together illustrate how the post-Umpqua threat wave hit Philadelphia twice in two days
Outcome
No incident occurred at the threatened time. Increased police presence on multiple Philadelphia-area campuses. FBI continued to investigate the online post. No arrests were publicly announced as of the immediate aftermath.
Provenance

Sources

  1. News
    FBI, ATF Issue Safety Warning to Philadelphia Area Colleges and Universities — NBC10 Philadelphia (October 5, 2015)
    nbcphiladelphia.com
  2. encyclopedia
    Umpqua Community College shooting — Wikipedia
    en.wikipedia.org
  3. Official
    Public Safety — Drexel University
    drexel.edu
Tags
threat-of-violencecopycat-threatumpqua-aftermathphiladelphiatemple-universityregional-cascadefbi-atfpublic-r1pennsylvaniaadvisoryoctober-2015
Added May 2026Updated May 2026Via ingestion