{
  "id": "2026-04-06-university-of-pennsylvania-4000-market-assault-with-firearm",
  "slug": "university-of-pennsylvania-4000-market-assault-with-firearm-2026-04-06",
  "institution": {
    "name": "University of Pennsylvania",
    "shortName": "Penn",
    "state": "PA",
    "type": "private-r1",
    "alertSystemName": "UPennAlert",
    "enrollment": 28000
  },
  "incident": {
    "date": "2026-04-06",
    "type": "shooting",
    "cleryCategory": "emergency-notification",
    "resolution": "under-investigation",
    "headline": "Assault with a firearm on the 4000 block of Market",
    "headlinePublic": "Assault with a firearm on the 4000 block of Market",
    "summary": "Penn [UPennAlert reported an assault with a firearm on the 4000 block of Market Street](https://www.publicsafety.upenn.edu/upa-archive/assault-with-a-firearm/) and later posted an all-clear. Police found a person shot inside a business.",
    "outcome": "Victim transported to hospital. Suspect last seen on an electric scooter westbound on Market. Archive page marks the alert no longer active."
  },
  "alerts": [
    {
      "sequence": 1,
      "type": "initial",
      "timestamp": "2026-04-06T16:54:00-04:00",
      "channel": "sms",
      "verbatimText": "UPennAlert: ASSAULT WITH FIREARM reported in the area of 4000 BLOCK MARKET STREET. Use caution, police on scene, avoid area.\n\nThe suspects are described as: Black male, 5’9″, medium build, all black clothing, black and red shirt.\n\nThe suspects were last seen heading: [west] on Market Street toward 40th Street.",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://www.publicsafety.upenn.edu/upa-archive/assault-with-a-firearm/",
      "sourceDescription": "UPennAlert archive: assault with a firearm, 4000 Market",
      "annotations": [
        "Official UPennAlert archive 2026-09-20. sha256 c5dae561deb2be45bef6a87522e9c79cb2518785876a3d62299bdff85ced09f3. Official [west] bracket in the last-seen line preserved.",
        "Distinct incident from 2026-04-25-university-of-pennsylvania-sansom-shooting-alert and 2026-09-14-university-of-pennsylvania-4000-baltimore-person-with-weapon: different dates and Market Street vs Sansom / Baltimore."
      ],
      "characterCount": 311
    },
    {
      "sequence": 2,
      "type": "all-clear",
      "timestampApprox": "After the initial 4:54 p.m. product; exact all-clear clock time not isolated on the archive page",
      "channel": "sms",
      "verbatimText": "UPennAlert: All clear in the area of 4000 BLOCK MARKET STREET. Police and Allied Security patrolling the area. You may resume normal activity.",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://www.publicsafety.upenn.edu/upa-archive/assault-with-a-firearm/",
      "sourceDescription": "UPennAlert archive all-clear, 4000 Market",
      "annotations": [
        "Official UPennAlert archive 2026-09-20. sha256 1639839661382e04158aeb4be6ac8f76b289e50f352695fbf75d107e2681a05a."
      ],
      "characterCount": 142
    }
  ],
  "context": "Penn posts UPennAlert products on the [upa-archive](https://www.publicsafety.upenn.edu/upa-archive/assault-with-a-firearm/). Date of Alert on the page: April 6, 2026 4:54 pm.",
  "keyFindings": [
    "Two-message assault-with-firearm then all-clear sequence on the 4000 block of Market Street."
  ],
  "sources": [
    {
      "title": "UPennAlert archive: assault with a firearm, 4000 Market",
      "url": "https://www.publicsafety.upenn.edu/upa-archive/assault-with-a-firearm/",
      "type": "official-archive",
      "accessDate": "2026-09-20",
      "archiveUrl": null,
      "archiveNotes": "SPN not attempted after 500 flap"
    }
  ],
  "confidence": "high",
  "tags": [
    "private-r1",
    "pennsylvania",
    "penn",
    "upennalert",
    "ivy",
    "shooting"
  ],
  "dateAdded": "2026-09-20",
  "lastUpdated": "2026-09-20",
  "addedBy": "ingestion"
}