{
  "id": "2026-05-18-purdue-university-indianapolis-science-building-avoid-area",
  "slug": "purdue-university-indianapolis-science-building-avoid-area-2026-05-18",
  "institution": {
    "name": "Purdue University",
    "shortName": "Purdue",
    "state": "IN",
    "type": "public-r1",
    "alertSystemName": "PurdueALERT / @PurdueALERT",
    "enrollment": 50000
  },
  "incident": {
    "date": "2026-05-18",
    "type": "police-activity",
    "cleryCategory": "emergency-notification",
    "resolution": "unfounded",
    "headline": "Avoid-area notice at Science Building then no-threat final",
    "headlinePublic": "Avoid-area notice at Science Building then no-threat final",
    "summary": "PurdueALERT [warned of a dangerous situation near 402 Blackford Street at the Science Building and told people to avoid the area](https://x.com/PurdueALERT/status/2056511762682528074), then [posted that there was no threat to campus with police on site for follow-up](https://x.com/PurdueALERT/status/2056518792772284897).",
    "outcome": "Final update said there was no threat to campus; police remained on site for follow-up. 01a and 02a were not located on @PurdueALERT."
  },
  "alerts": [
    {
      "sequence": 1,
      "type": "initial",
      "timestamp": "2026-05-18T19:06:27-04:00",
      "channel": "twitter-x",
      "verbatimText": "PurdueALERT Urgent\n 03a - Dangerous Situation IU Indy emergency: A dangerous situation is occurring near 402 Blackford Street, Science Building. Avoid the area. Call 911 with information.",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://x.com/PurdueALERT/status/2056511762682528074",
      "sourceDescription": "@PurdueALERT 03a dangerous situation avoid-area",
      "annotations": [
        "Dual independent fxtwitter fetch 2026-08-24 (text byte-agreement). sha256 053e2b1ad27df6d37d69c9b99839ae2f6351d7ac8a35e58aa9369b9597f6bf9e. Literal newline after PurdueALERT Urgent preserved.",
        "Timeline +/-48h walked 2026-08-24 via from:PurdueALERT since:2026-05-17 until:2026-05-20. 01a and 02a not located on @PurdueALERT; 03a is the first recovered product and 04a is the final.",
        "Same geographic incident as 2026-05-18-indiana-university-indianapolis-science-building-dangerous-situation (IU Public Safety @IUpolice pair). This file is the PurdueALERT transmission to the Purdue Indianapolis audience.",
        "Standalone posts, not a self-reply thread."
      ],
      "characterCount": 187
    },
    {
      "sequence": 2,
      "type": "all-clear",
      "timestamp": "2026-05-18T19:34:23-04:00",
      "channel": "twitter-x",
      "verbatimText": "PurdueALERT Urgent\n 04a - Final Update IU Indianapolis final alert: There is no threat to campus. Police are on site for follow-up.",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://x.com/PurdueALERT/status/2056518792772284897",
      "sourceDescription": "@PurdueALERT 04a final update no threat",
      "annotations": [
        "Dual independent fxtwitter fetch 2026-08-24 (text byte-agreement). sha256 d71f54b12dda6d37a99bb80b917c0488d209c07d11b9ca2046b5aef5aa6b2aa4.",
        "Labeled 04a Final Update / IU Indianapolis final alert; no threat to campus."
      ],
      "characterCount": 131
    }
  ],
  "context": "Purdue Indianapolis students receive [PurdueALERT](https://x.com/PurdueALERT) products, including IU Indianapolis emergencies on the shared downtown site. On May 18, 2026, PurdueALERT carried an avoid-area dangerous-situation notice for 402 Blackford Street (Science Building) and a final no-threat update. The same incident was also posted by [IU Public Safety](https://x.com/IUpolice); that pair is filed as 2026-05-18-indiana-university-indianapolis-science-building-dangerous-situation. PurdueALERT 01a and 02a were not located on the handle.",
  "keyFindings": [
    "PurdueALERT 03a named 402 Blackford Street, Science Building, with avoid-area and call-911 instruction.",
    "04a final update said there was no threat to campus with police on site for follow-up.",
    "01a and 02a were not recovered from @PurdueALERT in the +/-48h window."
  ],
  "sources": [
    {
      "title": "@PurdueALERT 03a dangerous situation avoid-area",
      "url": "https://x.com/PurdueALERT/status/2056511762682528074",
      "type": "official-social",
      "accessDate": "2026-08-24",
      "archiveUrl": null,
      "archiveNotes": "SPN 523 at capture 2026-08-24; archive.org save-sync returned HTTP 523"
    },
    {
      "title": "@PurdueALERT 04a final update no threat",
      "url": "https://x.com/PurdueALERT/status/2056518792772284897",
      "type": "official-social",
      "accessDate": "2026-08-24",
      "archiveUrl": null,
      "archiveNotes": "SPN 523 at capture 2026-08-24; archive.org save-sync returned HTTP 523"
    }
  ],
  "confidence": "high",
  "tags": [
    "public-r1",
    "indiana",
    "purdue",
    "police-activity",
    "indianapolis",
    "2026"
  ],
  "dateAdded": "2026-08-24",
  "lastUpdated": "2026-08-24",
  "addedBy": "ingestion"
}