{ "id": "2023-06-07-caltech-tournament-park-sword-assault", "slug": "caltech-tournament-park-sword-assault-2023-06-07", "institution": { "name": "California Institute of Technology", "shortName": "Caltech", "state": "CA", "type": "private-r1", "alertSystemName": "Caltech Security Announcements", "enrollment": 2400 }, "incident": { "date": "2023-06-07", "type": "aggravated-assault", "cleryCategory": "timely-warning", "resolution": "under-investigation", "headline": "Man with a sword charges security officers in a campus parking lot, then flees", "headlinePublic": "Man with a sword charges security officers in a campus parking lot, then flees", "summary": "On the morning of June 7, 2023, two [Caltech Security officers unlocking the Tournament Park parking lot south of Braun Athletic Center](https://security.caltech.edu/announcements-listing/71497) encountered a man inside a red Chevy van who produced a samurai-style sword and charged them. The officers retreated to Wilson Avenue and called Pasadena Police; the suspect fled, and Caltech issued a [Timely Warning Crime Bulletin](https://clery.caltech.edu/timely-warning-policy) the same day under the Jeanne Clery Act." }, "alerts": [ { "sequence": 1, "type": "initial", "timestampApprox": "Issued during the morning of June 7, 2023 PDT, after the 7:30 a.m. PDT encounter and Pasadena Police response", "channel": "email", "verbatimText": "Caltech Timely Warning Crime Bulletin — Aggravated Assault. On June 7, 2023, at around 7:30 a.m., while unlocking the Tournament Park parking lot south of the Braun Athletic Center, Caltech Security officers observed a red Chevy utility van parked in the parking lot. As officers were questioning the individual, the man produced a 'samurai'-style sword and charged the officers. The officers retreated to Wilson Ave. and notified the Pasadena Police Department. The suspect fled the area in the van. Pasadena Police searched the area for the individual but were unable to locate him. This Timely Warning Bulletin is issued in compliance with the Jeanne Clery Act.", "isVerbatimConfirmed": true, "sourceUrl": "https://security.caltech.edu/announcements-listing/71497", "sourceDescription": "Caltech Security Announcements: Timely Warning Crime Bulletin (verbatim)", "annotations": [ "The bulletin opens by naming the Clery category ('Aggravated Assault') in the title, a Caltech convention that immediately tells readers what statutory category drives the warning", "Quoting 'samurai' in single quotes preserves the security officers' descriptive language while signaling the institution is not making a formal weapons-classification claim", "The narrative names the responding agency (Pasadena Police Department) and the retreat point (Wilson Avenue), giving the community geographic specificity without identifying officers by name", "The bulletin closes with the Clery Act citation, naming the federal authority for the notice" ], "characterCount": 664 } ], "context": "[Caltech](https://security.caltech.edu/our-mission/timely-warning) is a small private R1 research institution in Pasadena, California, with about 2,400 students. Its [Tournament Park](https://en.wikipedia.org/wiki/Tournament_Park), the historic 1908 Olympic site Caltech now uses as recreation grounds, sits south of the main campus across Wilson Avenue and houses the Braun Athletic Center. Shortly after 7:30 a.m. PDT on Wednesday, June 7, 2023, two [Caltech Security officers opening the Tournament Park parking lot](https://security.caltech.edu/announcements-listing/71497) approached a man parked in a red Chevy utility van. When questioned, the man produced what officers described as a 'samurai'-style sword and charged at them. The officers retreated north across Wilson Avenue and called the [Pasadena Police Department](https://www.cityofpasadena.net/police/), which searched the area but did not locate the suspect. Because aggravated assault is a [Clery Act-reportable crime category](https://clery.caltech.edu/timely-warning-policy) and the suspect was at large in the area immediately surrounding campus, Caltech Security issued a Timely Warning Crime Bulletin the same morning. The bulletin's compact, fact-first structure (a single paragraph that names the date, time, location, weapon, and responding agency) is a model of the Clery 'enough information to allow people to protect themselves' standard, and is consistent with how Caltech Security handles alerts on a campus without its own police department.", "keyFindings": [ "The bulletin was issued the same morning as the assault, satisfying the Clery 'timely' standard for a continuing-threat scenario", "The bulletin opens with the Clery crime category in the title and closes with a Jeanne Clery Act citation", "The officers retreated rather than engage and notified the Pasadena Police Department", "Tournament Park is a Clery-defined 'public property' adjacent to Caltech's campus, triggering the timely-warning obligation despite the location being outside the academic core", "Pasadena Police searched the area but did not locate the suspect, an unresolved but documented public-safety event that became part of the institutional record" ], "sources": [ { "title": "Caltech Timely Warning Crime Bulletin — Aggravated Assault (Caltech Security)", "url": "https://security.caltech.edu/announcements-listing/71497", "type": "official-archive" }, { "title": "Timely Warning Policy (Clery at Caltech)", "url": "https://clery.caltech.edu/timely-warning-policy", "type": "official-archive" }, { "title": "Tournament Park (Caltech Facilities Operations)", "url": "https://facilitiesoperations.caltech.edu/tournament-park", "type": "official-archive" }, { "title": "Tournament Park — Wikipedia", "url": "https://en.wikipedia.org/wiki/Tournament_Park", "type": "other" } ], "confidence": "high", "tags": [ "aggravated-assault", "timely-warning", "caltech", "california", "pasadena", "private-r1", "edged-weapon", "clery-act", "tournament-park", "small-r1" ], "dateAdded": "2026-05-03", "lastUpdated": "2026-07-16", "addedBy": "ingestion" }