{ "id": "2025-04-10-uc-san-diego-i5-canyon-possible-person-with-weapon", "slug": "uc-san-diego-i5-canyon-possible-person-with-weapon-2025-04-10", "institution": { "name": "University of California, San Diego", "shortName": "UCSD", "state": "CA", "type": "public-r1", "alertSystemName": "Triton Alert" }, "incident": { "date": "2025-04-10", "type": "armed-person", "cleryCategory": "timely-warning", "resolution": "under-investigation", "headline": "Person with a possible gun ran into a canyon near I-5", "headlinePublic": "Person with a possible gun ran into a canyon near I-5", "summary": "UC San Diego Police [issued a Clery timely warning after San Diego Police responded to a 1:20 p.m. report of a person with a possible gun](https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/125667459/Timely+Warning+Possible+Person+with+a+Weapon+-+04-10-2025). The male was last seen on La Jolla Village Drive at I-5, then thought to be in a canyon west of One Miramar. A [location update](https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/126028167/UPDATE+-+Timely+Warning+-+Possible+Person+with+a+Weapon+-+04-10-2025) placed him near the East Campus Open Space Reserve. An [all-clear](https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/126093452/UPDATE+-+ALL+CLEAR+-+Timely+Warning+Possible+Person+with+a+Weapon+-+04-10-2025) ended the search after officers and a sheriff helicopter could not locate anyone.", "outcome": "Perimeter search plus sheriff helicopter; nobody located. Search ended. Not in custody." }, "alerts": [ { "sequence": 1, "type": "initial", "timestampApprox": "2025-04-10T13:20:00-07:00", "channel": "email", "verbatimText": "UC SAN DIEGO POLICE DEPARTMENT\n\nApril 10, 2025\n\nALL ACADEMICS, STAFF, AND STUDENTS AT UC SAN DIEGO\n\nTimely Warning – Possible Person with a Weapon\n\nOn 04/10/2025 at 1:20 PM, the UC San Diego Police Department Dispatchers heard San Diego Police Officers responding to a call of person with a possible gun. The male was last seen on La Jolla Village Drive at the I-5 at 1:20 PM. The reporting party stated that a male had a \"gun\" and then ran into a nearby canyon for unknown reasons. The male was thought to be in the canyon area along the I-5, west of One Miramar. UC San Diego Police Officers are responding to the area and assisting with the search.\n\nThe suspect is described by reporting party as a male approximately six feet tall and thin build.. He was wearing a long sleeve black hoodie with gray and white plaid pants and black shoes.\n\nAt this time, the suspect is not in custody.\n\nThe report is currently under investigation by the San Diego Police Department.\n\nIf you have information that could be helpful in this investigation, please call the San Diego Police Department at (619) 531-2000 or submit an online tip at https://police.ucsd.edu/services/anonymous.html.\n\nThe remainder of this message provides general information about preventing and reporting a weapons law violation and is not necessarily related to this incident.\n\nReport suspicious activity immediately to the UC San Diego Police Department by calling or texting 9-1-1.\n\nYour safety is most important. If you are confronted with someone who says they have a gun, knife or other weapon, believe them.\n\nTry to maintain a calm demeanor. Don’t make sudden moves or try to apprehend the criminal yourself.\n\nUse the UC San Diego Safety Escort Program. Call (858) 534-WALK, available daily from dusk to dawn.\n\nWhenever possible, travel well-lit, busy routes. Avoid walking or parking in shadowed areas. Have your keys in your hand as you approach your door.\n\nKnow the location of Campus Emergency Telephones on routes to and from campus destinations.\n\nWhat is this Notice?\n\nThis notice is being provided to you to comply with the Jeanne Clery Disclosure of Campus Security Policy and Campus Crime Statistics Act. Timely Warnings are intended to prevent similar crimes and to provide information that will assist community members in protecting themselves.\n\nUniversity of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093", "isVerbatimConfirmed": true, "confidence": "high", "sourceUrl": "https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/125667459/Timely+Warning+Possible+Person+with+a+Weapon+-+04-10-2025", "sourceDescription": "UC San Diego Campus Notices wiki: Timely Warning Possible Person with a Weapon 04-10-2025 (initial)", "annotations": [ "Dual independent Confluence REST fetch 2026-08-24. CDATA html sha256 6504255935631fe7979ab33b6803fb5d047f413336aae6050577767d4bd933e5. Flattened from the embedded UCPD email body. En dash, curly apostrophes, official double spaces, quoted gun, and double period after thin build preserved. SPN save-sync HTTP 302.", "Incident 2025-04-10 1:20 p.m. PDT.", "Distinct from 2025-04-12-uc-san-diego-hillcrest-f250-motor-vehicle-theft (later date, Hillcrest F-250 theft) and from 2025-10-18-uc-san-diego-geisel-library-knife-brandish (later date, Geisel Library knife)." ], "characterCount": 2407 }, { "sequence": 2, "type": "update", "channel": "email", "verbatimText": "UC SAN DIEGO POLICE DEPARTMENT\n\nApril 10, 2025\n\nALL ACADEMICS, STAFF, AND STUDENTS AT UC SAN DIEGO\n\nUPDATE - Timely Warning - Possible Person with a Weapon\n\n***UPDATE***\n\nThe male was last seen in the area of the East Campus Open Space Reserve.\n\nPlease refer to the link for the campus district boundaries for a map of the area.\n\nhttps://admin-enterprise-gis.ucsd.edu/portal/apps/instant/basic/index.html?appid=901cde30a2b84551aabf2ed01cf807b7\n\n*****ORIGNAL MESSAGE******\n\nOn 04/10/2025 at 1:20 PM, the UC San Diego Police Department Dispatchers heard San Diego Police Officers responding to a call of person with a possible gun. The male was last seen on La Jolla Village Drive at the I-5 at 1:20 PM. The reporting party stated that a male had a \"gun\" and then ran into a nearby canyon for unknown reasons. The male was thought to be in the canyon area along the I-5, west of One Miramar. UC San Diego Police Officers are responding to the area and assisting with the search.\n\nThe suspect is described by reporting party as a male approximately six feet tall and thin build.. He was wearing a long sleeve black hoodie with gray and white plaid pants and black shoes.\n\nAt this time, the suspect is not in custody.\n\nThe report is currently under investigation by the San Diego Police Department.\n\nIf you have information that could be helpful in this investigation, please call the San Diego Police Department at (619) 531-2000 or submit an online tip at https://police.ucsd.edu/services/anonymous.html.\n\nThe remainder of this message provides general information about preventing and reporting a weapons law violation and is not necessarily related to this incident.\n\nReport suspicious activity immediately to the UC San Diego Police Department by calling or texting 9-1-1.\n\nYour safety is most important. If you are confronted with someone who says they have a gun, knife or other weapon, believe them.\n\nTry to maintain a calm demeanor. Don’t make sudden moves or try to apprehend the criminal yourself.\n\nUse the UC San Diego Safety Escort Program. Call (858) 534-WALK, available daily from dusk to dawn.\n\nWhenever possible, travel well-lit, busy routes. Avoid walking or parking in shadowed areas. Have your keys in your hand as you approach your door.\n\nKnow the location of Campus Emergency Telephones on routes to and from campus destinations.\n\nWhat is this Notice?\n\nThis notice is being provided to you to comply with the Jeanne Clery Disclosure of Campus Security Policy and Campus Crime Statistics Act. Timely Warnings are intended to prevent similar crimes and to provide information that will assist community members in protecting themselves.\n\nUniversity of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093", "isVerbatimConfirmed": true, "confidence": "high", "sourceUrl": "https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/126028167/UPDATE+-+Timely+Warning+-+Possible+Person+with+a+Weapon+-+04-10-2025", "sourceDescription": "UC San Diego Campus Notices wiki: UPDATE Timely Warning Possible Person with a Weapon 04-10-2025 (East Campus Open Space)", "annotations": [ "Dual independent Confluence REST fetch 2026-08-24. CDATA html sha256 844c45d5a55128ca5db50e3b25f4a1f1e2bf639b642cf10112b2145d64fd59f7. Official ORIGNAL spelling in *****ORIGNAL MESSAGE****** preserved. SPN save-sync HTTP 302." ], "characterCount": 2732 }, { "sequence": 3, "type": "all-clear", "channel": "email", "verbatimText": "UC SAN DIEGO POLICE DEPARTMENT\n\nApril 10, 2025\n\nALL ACADEMICS, STAFF, AND STUDENTS AT UC SAN DIEGO\n\nUPDATE - ALL CLEAR - Timely Warning - Possible Person with a Weapon\n\n***UPDATE - ALL CLEAR***\n\nUC San Diego and San Diego Police Officers set up a perimeter around the canyon and conducted a search of the area. They were unable to locate anyone and called the San Diego Sheriff's Department Helicopter to assist with the search. They were also unable to locate anyone. Since police have cleared the area, they will be ending their search. Please continue to be diligent with your safety and aware of your surroundings.\n\n***UPDATE***\n\nThe male was last seen in the area of the East Campus Open Space Reserve.\n\nPlease refer to the link for the campus district boundaries for a map of the area.\n\nhttps://admin-enterprise-gis.ucsd.edu/portal/apps/instant/basic/index.html?appid=901cde30a2b84551aabf2ed01cf807b7\n\n*****ORIGNAL MESSAGE******\n\nOn 04/10/2025 at 1:20 PM, the UC San Diego Police Department Dispatchers heard San Diego Police Officers responding to a call of person with a possible gun. The male was last seen on La Jolla Village Drive at the I-5 at 1:20 PM. The reporting party stated that a male had a \"gun\" and then ran into a nearby canyon for unknown reasons. The male was thought to be in the canyon area along the I-5, west of One Miramar. UC San Diego Police Officers are responding to the area and assisting with the search.\n\nThe suspect is described by reporting party as a male approximately six feet tall and thin build.. He was wearing a long sleeve black hoodie with gray and white plaid pants and black shoes.\n\nAt this time, the suspect is not in custody.\n\nThe report is currently under investigation by the San Diego Police Department.\n\nIf you have information that could be helpful in this investigation, please call the San Diego Police Department at (619) 531-2000 or submit an online tip at https://police.ucsd.edu/services/anonymous.html.\n\nThe remainder of this message provides general information about preventing and reporting a weapons law violation and is not necessarily related to this incident.\n\nReport suspicious activity immediately to the UC San Diego Police Department by calling or texting 9-1-1.\n\nYour safety is most important. If you are confronted with someone who says they have a gun, knife or other weapon, believe them.\n\nTry to maintain a calm demeanor. Don’t make sudden moves or try to apprehend the criminal yourself.\n\nUse the UC San Diego Safety Escort Program. Call (858) 534-WALK, available daily from dusk to dawn.\n\nWhenever possible, travel well-lit, busy routes. Avoid walking or parking in shadowed areas. Have your keys in your hand as you approach your door.\n\nKnow the location of Campus Emergency Telephones on routes to and from campus destinations.\n\nWhat is this Notice?\n\nThis notice is being provided to you to comply with the Jeanne Clery Disclosure of Campus Security Policy and Campus Crime Statistics Act. Timely Warnings are intended to prevent similar crimes and to provide information that will assist community members in protecting themselves.\n\nUniversity of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093", "isVerbatimConfirmed": true, "confidence": "high", "sourceUrl": "https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/126093452/UPDATE+-+ALL+CLEAR+-+Timely+Warning+Possible+Person+with+a+Weapon+-+04-10-2025", "sourceDescription": "UC San Diego Campus Notices wiki: UPDATE ALL CLEAR Timely Warning Possible Person with a Weapon 04-10-2025", "annotations": [ "Dual independent Confluence REST fetch 2026-08-24. CDATA html sha256 3b3352e794d04d903487d41a6f545098905ce7b5d670f47aa73e410f12d9f52a. Official ORIGNAL spelling preserved. SPN save-sync HTTP 302." ], "characterCount": 3197 } ], "context": "UC San Diego Police posted the three sequenced notices on the Campus Notices wiki, linked from [police.ucsd.edu/alerts/warnings.html](https://police.ucsd.edu/alerts/warnings.html) as 04/10/2025 initial, UPDATE, and UPDATE ALL CLEAR ([adminrecords 2025-4-10-1](https://adminrecords.ucsd.edu/Notices/2025/2025-4-10-1.html), [2025-4-10-2](https://adminrecords.ucsd.edu/Notices/2025/2025-4-10-2.html), [2025-4-10-3](https://adminrecords.ucsd.edu/Notices/2025/2025-4-10-3.html)).", "keyFindings": [ "1:20 p.m. April 10, 2025: report of a male with a possible gun last seen on La Jolla Village Drive at I-5, then in a canyon west of One Miramar.", "Update: last seen near the East Campus Open Space Reserve. All-clear: perimeter and sheriff helicopter search located nobody; search ended." ], "sources": [ { "title": "Timely Warning – Possible Person with a Weapon - 04-10-2025", "url": "https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/125667459/Timely+Warning+Possible+Person+with+a+Weapon+-+04-10-2025", "type": "official-archive", "accessDate": "2026-08-24", "archiveUrl": "https://web.archive.org/web/20260824114259/https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/125667459/Timely+Warning+Possible+Person+with+a+Weapon+-+04-10-2025" }, { "title": "UPDATE - Timely Warning - Possible Person with a Weapon - 04-10-2025", "url": "https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/126028167/UPDATE+-+Timely+Warning+-+Possible+Person+with+a+Weapon+-+04-10-2025", "type": "official-archive", "accessDate": "2026-08-24", "archiveUrl": "https://web.archive.org/web/20260824114325/https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/126028167/UPDATE+-+Timely+Warning+-+Possible+Person+with+a+Weapon+-+04-10-2025" }, { "title": "UPDATE - ALL CLEAR - Timely Warning – Possible Person with a Weapon - 04-10-2025", "url": "https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/126093452/UPDATE+-+ALL+CLEAR+-+Timely+Warning+Possible+Person+with+a+Weapon+-+04-10-2025", "type": "official-archive", "accessDate": "2026-08-24", "archiveUrl": "https://web.archive.org/web/20260824114350/https://ucsdcampusnotices.atlassian.net/wiki/spaces/CN/pages/126093452/UPDATE+-+ALL+CLEAR+-+Timely+Warning+Possible+Person+with+a+Weapon+-+04-10-2025" } ], "confidence": "high", "tags": [ "public-r1", "california", "ucsd", "armed-person", "timely-warning", "2025" ], "dateAdded": "2026-08-24", "lastUpdated": "2026-08-24", "addedBy": "ingestion" }