{
  "id": "2025-09-16-ohio-state-university-caldwell-suspicious-package",
  "slug": "ohio-state-university-caldwell-suspicious-package-2025-09-16",
  "institution": {
    "name": "The Ohio State University",
    "shortName": "OSU",
    "state": "OH",
    "type": "public-r1",
    "alertSystemName": "Buckeye Alert",
    "enrollment": 60000
  },
  "incident": {
    "date": "2025-09-16",
    "type": "suspicious-package",
    "cleryCategory": "emergency-notification",
    "resolution": "unfounded",
    "headline": "Caldwell Lab suspicious package evacuation",
    "headlinePublic": "Caldwell Lab suspicious package evacuation",
    "summary": "Ohio State [evacuated Caldwell Lab, Journalism, and Bolz Hall](https://x.com/OSU_EMFP/status/1967998445572002045) while police and fire investigated a suspicious package/device inside Caldwell; the device was later determined not a threat and buildings reopened.",
    "outcome": "Device determined not a threat; buildings reopened.",
    "casualties": {
      "killed": 0,
      "injured": 0
    }
  },
  "alerts": [
    {
      "sequence": 1,
      "type": "initial",
      "timestamp": "2025-09-16T12:30:12-04:00",
      "channel": "twitter-x",
      "verbatimText": "Caldwell Lab building being evacuated as a precaution while police investigate a suspicious package.",
      "isVerbatimConfirmed": true,
      "sourceUrl": "https://x.com/OSU_EMFP/status/1967989404531568794",
      "sourceDescription": "@OSU_EMFP on X",
      "annotations": [
        "Full text from @OSU_EMFP 1967989404531568794"
      ],
      "characterCount": 100
    },
    {
      "sequence": 2,
      "type": "update",
      "timestamp": "2025-09-16T12:35:52-04:00",
      "channel": "twitter-x",
      "verbatimText": "The Journalism Building is also being evacuated due to its proximity.",
      "isVerbatimConfirmed": true,
      "sourceUrl": "https://x.com/OSU_EMFP/status/1967990830469181621",
      "sourceDescription": "@OSU_EMFP on X",
      "annotations": [
        "Full text from @OSU_EMFP 1967990830469181621"
      ],
      "characterCount": 69
    },
    {
      "sequence": 3,
      "type": "update",
      "timestamp": "2025-09-16T12:40:51-04:00",
      "channel": "twitter-x",
      "verbatimText": "Update: Caldwell Lab Building and the nearby Journalism Building have both been evacuated as a precaution as police investigate a suspicious package. Please avoid the area.",
      "isVerbatimConfirmed": true,
      "sourceUrl": "https://x.com/OSU_EMFP/status/1967992085950177332",
      "sourceDescription": "@OSU_EMFP on X",
      "annotations": [
        "Full text from @OSU_EMFP 1967992085950177332"
      ],
      "characterCount": 172
    },
    {
      "sequence": 4,
      "type": "update",
      "timestamp": "2025-09-16T13:06:07-04:00",
      "channel": "twitter-x",
      "verbatimText": "Buckeye Alert: Caldwell Lab, Journalism and Bolz Hall evacuated out of caution as police/fire investigate a suspicious device inside Caldwell. Avoid the area.",
      "isVerbatimConfirmed": true,
      "sourceUrl": "https://x.com/OSU_EMFP/status/1967998445572002045",
      "sourceDescription": "@OSU_EMFP on X",
      "annotations": [
        "Full text from @OSU_EMFP 1967998445572002045"
      ],
      "characterCount": 158
    },
    {
      "sequence": 5,
      "type": "update",
      "timestamp": "2025-09-16T13:32:49-04:00",
      "channel": "twitter-x",
      "verbatimText": "Buckeye Alert Update: Columbus Fire and OSU Police continue to evaluate the suspicious device. Caldwell, Journalism, and Bolz remain closed, avoid the area.",
      "isVerbatimConfirmed": true,
      "sourceUrl": "https://x.com/OSU_EMFP/status/1968005165924982966",
      "sourceDescription": "@OSU_EMFP on X",
      "annotations": [
        "Full text from @OSU_EMFP 1968005165924982966"
      ],
      "characterCount": 156
    },
    {
      "sequence": 6,
      "type": "all-clear",
      "timestamp": "2025-09-16T13:41:20-04:00",
      "channel": "twitter-x",
      "verbatimText": "Buckeye Alert Update: Police & Fire have determined that the device is not a threat. All buildings are being reopened.",
      "isVerbatimConfirmed": true,
      "sourceUrl": "https://x.com/OSU_EMFP/status/1968007308237004849",
      "sourceDescription": "@OSU_EMFP on X",
      "annotations": [
        "Full text from @OSU_EMFP 1968007308237004849"
      ],
      "characterCount": 118
    }
  ],
  "context": "OSU Emergency Management @OSU_EMFP Buckeye Alert residual — Caldwell Lab suspicious package/device, Sep 16 2025.",
  "keyFindings": [
    "Complete multi-step Buckeye Alert chain from initial evacuation through device cleared"
  ],
  "sources": [
    {
      "title": "@OSU_EMFP initial",
      "url": "https://x.com/OSU_EMFP/status/1967989404531568794",
      "type": "official-social"
    },
    {
      "title": "@OSU_EMFP Buckeye Alert device",
      "url": "https://x.com/OSU_EMFP/status/1967998445572002045",
      "type": "official-social"
    },
    {
      "title": "@OSU_EMFP all-clear",
      "url": "https://x.com/OSU_EMFP/status/1968007308237004849",
      "type": "official-social"
    },
    {
      "title": "@OSU_EMFP account",
      "url": "https://x.com/OSU_EMFP",
      "type": "official-social"
    }
  ],
  "confidence": "high",
  "tags": [
    "suspicious-package",
    "buckeye-alert",
    "ohio-state",
    "evacuation"
  ],
  "dateAdded": "2026-07-21",
  "lastUpdated": "2026-07-21",
  "addedBy": "ingestion"
}