{
  "id": "2025-08-04-university-of-wisconsin-madison-arboretum-suspicious-object",
  "slug": "university-of-wisconsin-madison-arboretum-suspicious-object-2025-08-04",
  "institution": {
    "name": "University of Wisconsin-Madison",
    "shortName": "UW-Madison",
    "state": "WI",
    "type": "public-r1",
    "alertSystemName": "UWPD / @UWMadisonPolice",
    "enrollment": 50000
  },
  "incident": {
    "date": "2025-08-04",
    "type": "police-activity",
    "cleryCategory": "emergency-notification",
    "resolution": "resolved",
    "headline": "Suspicious object on an Arboretum path then all-clear",
    "headlinePublic": "Suspicious object on an Arboretum path then all-clear",
    "summary": "UWPD [asked people to avoid the east side of the Arboretum](https://x.com/UWMadisonPolice/status/1952386386876604690), [said police were investigating a suspicious object on a path](https://x.com/UWMadisonPolice/status/1952394287653458144), [issued all-clear and reopened Arboretum Drive](https://x.com/UWMadisonPolice/status/1952408442309603537), then [said the device was a training device](https://x.com/UWMadisonPolice/status/1952428279002022154).",
    "outcome": "All-clear; Arboretum Drive reopened. Device deemed a training device."
  },
  "alerts": [
    {
      "sequence": 1,
      "type": "initial",
      "timestamp": "2025-08-04T10:09:22-05:00",
      "channel": "twitter-x",
      "verbatimText": "UWPD is on the scene of an active police incident on the east side of the UW Arboretum. Please avoid the area. More information to follow.",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://x.com/UWMadisonPolice/status/1952386386876604690",
      "sourceDescription": "@UWMadisonPolice Arboretum avoid-area",
      "annotations": [
        "Dual independent X fetch 2026-08-24 (shelf-sweep keyword family + thread_fetch). sha256 0e6c68c2f16647921a6d7209342b064bc1d763a2df7bb40433b1b27c8de359da. SPN 429.",
        "Census @WiscAlerts is dry in-window (last post 2024-05-22 already filed). This capture is the official UWPD seam.",
        "Thread/quote-chain walked 2026-08-24: updates captured as sequences 2-4."
      ],
      "characterCount": 138
    },
    {
      "sequence": 2,
      "type": "update",
      "timestamp": "2025-08-04T10:40:46-05:00",
      "channel": "twitter-x",
      "verbatimText": "10:30am update - police remain on the scene, investigating a suspicious object that was found on a path in the Arboretum. Please continue to avoid the area.",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://x.com/UWMadisonPolice/status/1952394287653458144",
      "sourceDescription": "@UWMadisonPolice Arboretum 10:30am update",
      "annotations": [
        "Dual independent X fetch 2026-08-24. sha256 47666267ba71fb32ba28cc8b2c7edbc149a66d52b2093f1f1abb951b379690df. SPN 429."
      ],
      "characterCount": 156
    },
    {
      "sequence": 3,
      "type": "all-clear",
      "timestamp": "2025-08-04T11:37:01-05:00",
      "channel": "twitter-x",
      "verbatimText": "11:30am update: All clear at the Arboretum. The situation is resolved and Arboretum Drive and surrounding area has reopened.",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://x.com/UWMadisonPolice/status/1952408442309603537",
      "sourceDescription": "@UWMadisonPolice Arboretum all-clear",
      "annotations": [
        "Dual independent X fetch 2026-08-24. sha256 15fa28ec673caf6c85e5d8f3281c3be86516cab8c5f7fba47704c6fe5e3a3204. SPN 429."
      ],
      "characterCount": 124
    },
    {
      "sequence": 4,
      "type": "update",
      "timestamp": "2025-08-04T12:55:50-05:00",
      "channel": "twitter-x",
      "verbatimText": "Suspicious device found on a boardwalk in the UW Arboretum; deemed to be a training device.\n\nMore info: https://uwpd.wisc.edu/incident_report/suspicious-device-found-in-uw-arboretum-deemed-safe/",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://x.com/UWMadisonPolice/status/1952428279002022154",
      "sourceDescription": "@UWMadisonPolice training-device follow-up",
      "annotations": [
        "Dual independent X fetch 2026-08-24. sha256 6542882482234c3f20737c39dab8bea8103fd424ee510346b7fd017376baa6ef. SPN 429. Timeline residual after the all-clear."
      ],
      "characterCount": 194
    }
  ],
  "context": "UW-Madison Police posted the sequence on [@UWMadisonPolice](https://x.com/UWMadisonPolice). @WiscAlerts has no in-window posts (last 2024-05-22 tornado already filed).",
  "keyFindings": [
    "Avoid-area for an east-Arboretum police incident, later specified as a suspicious object on a path.",
    "All-clear reopened Arboretum Drive. A later post said the device was a training device."
  ],
  "sources": [
    {
      "title": "@UWMadisonPolice Arboretum avoid-area",
      "url": "https://x.com/UWMadisonPolice/status/1952386386876604690",
      "type": "official-social",
      "accessDate": "2026-08-24",
      "archiveUrl": null,
      "archiveNotes": "SPN 429"
    },
    {
      "title": "@UWMadisonPolice Arboretum 10:30am update",
      "url": "https://x.com/UWMadisonPolice/status/1952394287653458144",
      "type": "official-social",
      "accessDate": "2026-08-24",
      "archiveUrl": null,
      "archiveNotes": "SPN 429"
    },
    {
      "title": "@UWMadisonPolice Arboretum all-clear",
      "url": "https://x.com/UWMadisonPolice/status/1952408442309603537",
      "type": "official-social",
      "accessDate": "2026-08-24",
      "archiveUrl": null,
      "archiveNotes": "SPN 429"
    },
    {
      "title": "@UWMadisonPolice training-device follow-up",
      "url": "https://x.com/UWMadisonPolice/status/1952428279002022154",
      "type": "official-social",
      "accessDate": "2026-08-24",
      "archiveUrl": null,
      "archiveNotes": "SPN 429"
    }
  ],
  "confidence": "high",
  "tags": [
    "public-r1",
    "wisconsin",
    "uw-madison",
    "police-activity",
    "2025"
  ],
  "dateAdded": "2026-08-24",
  "lastUpdated": "2026-08-24",
  "addedBy": "ingestion"
}