Campus Alert Archive
PCC

A Lawnmower-Theft Pursuit from Glendora into PCC's Parking Structure Cascaded a Shelter-in-Place to Caltech Across Colorado Boulevard

CApolice activityemergency notificationmedium confidence
Confirmed Threat

On the afternoon of Thursday, July 7, 2022, Pasadena City College and the California Institute of Technology issued lockdowns at approximately 3:45 p.m. PDT after Pasadena Police pursued three grand-theft suspects into a PCC parking structure. The suspects — wanted for a 2 p.m. PDT lawnmower theft on the 100 block of North Verdugo Avenue in Glendora — were tracked by a Pasadena Police helicopter onto the campus. One suspect was detained at PCC; the lockdown at PCC was lifted at about 5:10 p.m. PDT and at Caltech at about 5:38 p.m. PDT.

Alerts
3
Response
—
Killed
0
Injured
0
Institution
Pasadena City College
Community College · CA
~26,000 studentsRave Mobile SafetyPCC Alerts
Confirmed Timeline

Alert Sequence

3 messages in sequence · 1 verified verbatim

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 ALERTTwitter/X
Verified verbatim@PCCLancer (Pasadena City College) official Twitter post from July 7, 2022131 chars
PCC ALERT: All campus lockdown at the Colorado campus due to police activity. Lock doors and shelter in place until further notice.
Posted to PCC's official X account (@PCCLancer) at status ID 1545176640946221057 on July 7, 2022 — initial Colorado-campus lockdown notice timestamped ~3:43 PM PDT
PCC's Colorado campus and Caltech sit on opposite sides of Colorado Boulevard in Pasadena — the geographic proximity is what triggered the cascade
The 'PCC ALERT' prefix with the colon is the PCC Alerts standard branding for emergency tweets
UPDATESMS
Approximate reconstruction205 chars
PCC Alert: The shelter-in-place remains in effect while Pasadena Police continue their search for grand theft suspects. Caltech is also on lockdown. Continue to remain inside. Do not approach police lines.

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

The mid-event update was needed because the lockdown lasted approximately 85 minutes — long for a non-violent property-crime suspect search
Caltech's parallel lockdown was issued because the suspects' flight path moved between the two adjacent campuses
Pasadena Police air support was deployed to track the suspects through the campus area
ALL CLEARSMS
Approximate reconstruction159 chars
PCC Alert: The shelter-in-place has been LIFTED. There is no longer a threat to the campus community. Normal operations resume. Thank you for your cooperation.

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

PCC's lockdown was lifted at approximately 5:10 p.m. PDT, while Caltech's separate lockdown was not lifted until approximately 5:38 p.m. PDT — the two campuses did not coordinate identical timing
The phrasing 'no longer a threat to the campus community' tracked PCC's exact language as quoted by ABC7 and Yahoo News
One suspect was apprehended after fleeing into a PCC parking structure — the campus's open architecture made it a natural escape route from a police pursuit
Context

Background

Pasadena City College is one of the largest community colleges in Los Angeles County, with its main campus on Colorado Boulevard adjacent to the California Institute of Technology. On the afternoon of Thursday, July 7, 2022, Glendora Police responded to a grand theft of a lawnmower at approximately 2 p.m. PDT on the 100 block of North Verdugo Avenue in Glendora. Three suspects fled toward Pasadena and were eventually tracked by a Pasadena Police helicopter into a parking structure on PCC's Colorado campus. At approximately 3:45 p.m. PDT, PCC tweeted a campus-wide shelter-in-place. Caltech — across Colorado Boulevard — issued its own lockdown shortly after, a notable cascade given Caltech's status as a private R1 university and PCC's as a community college sharing only geographic proximity rather than any institutional affiliation. PCC's lockdown lasted approximately 85 minutes; Caltech's lasted longer. One suspect was apprehended in the parking structure, and PCC issued an all-clear at approximately 5:10 p.m. PDT, while Caltech did not lift its own lockdown until approximately 5:38 p.m. PDT. The case is significant for the campus alert archive because it documents a community-college and R1-private cross-institution cascade lockdown driven purely by geographic proximity — analogous in form to the Atlanta University Center cascades but with the unusual feature that the two cascading institutions share no organizational, athletic, or academic relationship.
Analysis

Key Findings

PCC and Caltech — institutions with no organizational relationship — issued separate lockdowns within minutes of each other based purely on geographic proximity across Colorado Boulevard
The underlying trigger was a relatively minor property crime (grand theft of a lawnmower) in Glendora that escalated through a multi-mile pursuit
PCC's lockdown lasted approximately 85 minutes (3:45 p.m. to 5:10 p.m. PDT); Caltech's lockdown was lifted later, at approximately 5:38 p.m. PDT, showing that adjacent campuses do not always coordinate identical timing
One of three grand-theft suspects was apprehended after fleeing into a PCC parking structure, illustrating how community-college open campuses can become escape routes from urban pursuits
Pasadena Police air support and ground units coordinated with both campus security operations during the search
Outcome
One grand-theft suspect was apprehended after fleeing into a PCC parking structure on the Colorado campus. No injuries occurred at PCC or Caltech. PCC's lockdown was lifted at approximately 5:10 p.m. PDT; Caltech's lockdown was lifted later, at approximately 5:38 p.m. PDT. The original Glendora theft — described in early reports as a 'robbery' but later clarified as grand theft of a lawnmower — was a relatively minor property crime that nonetheless triggered a multi-mile pursuit and dual-campus lockdown. Initial police reports described the suspects as 'armed,' but later updates indicated they were not.
Provenance

Sources

  1. News
    Robbery suspect search prompts lockdown at Pasadena City College, Caltech campuses (ABC7 Los Angeles)
    abc7.com
  2. News
    Pasadena City College, Caltech lockdown lifted; suspect in custody (CBS Los Angeles)
    cbsnews.com
  3. News
    Caltech, PCC lockdown lifted after investigation (KTLA)
    ktla.com
  4. News
    Search for Theft Suspects Prompts Hours-Long Lockdowns at Pasadena City College, Caltech (Pasadena Now)
    pasadenanow.com
  5. News
    Search for Robbery Suspect Prompts Lockdowns at PCC, Caltech (MyNewsLA)
    mynewsla.com
  6. Official
    Get Emergency Alerts (Pasadena City College Police)
    pasadena.edu
Tags
police-activitylockdownshelter-in-placecommunity-collegecaliforniapasadenacascade-lockdowncaltech-cascadeoff-campus-pursuitrobbery-suspect-flight
Added May 2026Updated May 2026Via ingestion