{
  "id": "2018-06-29-cal-poly-pomona-officer-stabbing",
  "slug": "cal-poly-pomona-officer-stabbing-2018-06-29",
  "institution": {
    "name": "California State Polytechnic University, Pomona",
    "shortName": "Cal Poly Pomona",
    "state": "CA",
    "type": "public-masters",
    "alertSystemName": "Cal Poly Pomona Safety Alert System",
    "alertPlatform": "Rave",
    "enrollment": 30000
  },
  "incident": {
    "date": "2018-06-29",
    "type": "stabbing",
    "cleryCategory": "emergency-notification",
    "resolution": "confirmed-threat",
    "headline": "Public safety officer fatally stabbed in his vehicle; suspect killed by police",
    "headlinePublic": "Public safety officer fatally stabbed in his vehicle; suspect killed by police",
    "summary": "On June 29, 2018, [Cal Poly Pomona Public Safety Specialist Mark Manlapaz](https://www.cbsnews.com/news/cal-state-poly-pomona-officer-stabbed-killed-suspect-shot-killed-today-2018-06-29/) was [stabbed to death](https://ktla.com/news/local-news/cal-poly-pomona-police-parking-officer-killed-suspect-dies-after-officer-involved-shooting/) inside his university vehicle near the Lyle Center for Regenerative Studies on the south side of campus at approximately 4:30 p.m. PDT. About 25 minutes later, the suspect (a campus custodian) was fatally shot by police near University Drive and Temple Avenue. The campus issued a Safety Alert at approximately 5:00 p.m. PDT.",
    "outcome": "Manlapaz, 36, pronounced dead at the scene. Suspect Jonas Aldaba, a campus custodian, fatally shot by Pomona Police during an officer-involved shooting near University Drive and Temple Avenue. No additional injuries.",
    "casualties": {
      "killed": 1,
      "injured": 0
    }
  },
  "alerts": [
    {
      "sequence": 1,
      "type": "initial",
      "timestamp": "2018-06-29T17:00:00-07:00",
      "channel": "sms",
      "verbatimText": "Major police activity at Campus South (Lanterman) & Lyle Center. Stay away from those areas. More info coming",
      "isVerbatimConfirmed": true,
      "sourceUrl": "https://www.cbsnews.com/losangeles/news/campus-officer-fatally-stabbed-suspect-mortally-wounded/",
      "sourceDescription": "CBS Los Angeles, which quoted the Cal Poly Pomona Safety Alert verbatim",
      "annotations": [
        "Verbatim text of the Cal Poly Pomona safety alert distributed at approximately 5:00 PM PDT on June 29, 2018",
        "Sent approximately 30 minutes after Manlapaz was discovered in his university truck near the Lyle Center for Regenerative Studies",
        "The alert pairs two location anchors, Campus South (Lanterman) and the Lyle Center, without yet naming the stabbing or officer-involved shooting"
      ],
      "characterCount": 109
    }
  ],
  "context": "[Mark Manlapaz](https://www.nbclosangeles.com/news/cal-poly-pomona-stabbing-victim-identified-victim/2041411/), 36, was a Cal Poly Pomona Public Safety Specialist who handled parking enforcement and routine campus patrols. On June 29, 2018, he was found by a colleague inside his university truck near the [Lyle Center for Regenerative Studies](https://www.asumag.com/safety-security/article/20856441/security-employee-fatally-stabbed-at-cal-poly-pomona) on the south side of the Pomona campus, suffering from multiple stab wounds. The suspect, a 27-year-old Cal Poly Pomona custodian named Jonas Aldaba, was spotted approximately 25 minutes later operating another campus vehicle and acting erratically. He confronted Pomona Police near W. University Drive and Temple Avenue and was [fatally shot](https://kfiam640.iheart.com/content/2018-06-30-cal-poly-pomona-parking-officer-fatally-stabbed-suspect-killed-in-ois/). Cal Poly Pomona's Safety Alert system, operated through Rave, sent its initial message at approximately 5:00 p.m. PDT.",
  "keyFindings": [
    "The victim was a public safety specialist who handled parking enforcement, killed on duty in his university vehicle",
    "Both victim and suspect were Cal Poly Pomona employees, making this an internal workplace violence event",
    "Roughly 30 minutes elapsed between the discovery of the victim at approximately 4:30 p.m. PDT and the first Safety Alert at approximately 5:00 p.m. PDT on June 29, 2018"
  ],
  "responseTimeMinutes": 30,
  "sources": [
    {
      "title": "Cal Poly Pomona security officer killed, suspect fatally shot on campus (PolyCentric)",
      "url": "https://polycentric.cpp.edu/2018/06/cal-poly-pomona-security-officer-killed-suspect-fatally-shot-on-campus/",
      "type": "official-archive"
    },
    {
      "title": "Police: Cal State Poly Pomona officer killed in stabbing, suspect fatally shot (CBS News)",
      "url": "https://www.cbsnews.com/news/cal-state-poly-pomona-officer-stabbed-killed-suspect-shot-killed-today-2018-06-29/",
      "type": "local-media"
    },
    {
      "title": "Cal Poly Pomona Public Safety Employee Fatally Stabbed (KTLA)",
      "url": "https://ktla.com/news/local-news/cal-poly-pomona-police-parking-officer-killed-suspect-dies-after-officer-involved-shooting/",
      "type": "local-media"
    },
    {
      "title": "Friends, Family Mourn Victim in Cal Poly Pomona Stabbing (NBC Los Angeles)",
      "url": "https://www.nbclosangeles.com/news/cal-poly-pomona-stabbing-victim-identified-victim/2041411/",
      "type": "local-media"
    },
    {
      "title": "CBS Los Angeles, which quoted the Cal Poly Pomona Safety Alert verbatim",
      "url": "https://www.cbsnews.com/losangeles/news/campus-officer-fatally-stabbed-suspect-mortally-wounded/",
      "type": "local-media"
    }
  ],
  "confidence": "high",
  "tags": [
    "stabbing",
    "workplace-violence",
    "public-safety-officer",
    "csu-system",
    "california",
    "pomona",
    "officer-involved-shooting",
    "fatal",
    "lyle-center"
  ],
  "dateAdded": "2026-05-03",
  "lastUpdated": "2026-07-16",
  "addedBy": "ingestion"
}