Campus Alert Archive
Cornell

A series of small unsolved dormitory fires prompts three crime alerts in twelve days

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Under Investigation

Between September 13 and September 26, 2023, Cornell University Police issued three separate Crime Alert emails describing small intentional fires in Ganędagǫ: and Mary Donlon Hall, two North Campus residence halls, including a burned light fixture in a stairwell and fire damage to a section of ceiling. No suspect was identified in any of the three incidents, and Cornell's associate vice president for public safety urged students not to treat fire-setting as a prank.

Alerts
3
Response
—
Killed
0
Injured
0
Institution
Cornell University
Private R1 · NY
All Cornell cases →
~25,000 studentsCornell Police Crime Alert / CornellALERT
Official alert policy
Read when and how Cornell says it will use CornellALERT: summarized, quoted, and analyzed.
Documented Timeline

Alert Sequence

3 messages in sequence · 3 verified verbatim

Confirmed wording is transcribed character-for-character from a primary source. Use Verify this quote under each message to open that source in a new tab and compare the text yourself.

INITIAL ALERTEmail
Verified verbatim1008 chars
CrimeALERT: Arson - Mary Donlon Hall On September 13, 2023, at 11:27 a.m., the Cornell University Police Department, Cornell University Environmental Health & Safety, and City of Ithaca Fire Department responded to Mary Donlon Hall for a report of a light fixture in the northeast stairwell damaged by fire. The fire was extinguished before emergency personnel arrived. It is unknown when the fire was set, and no suspect description is available. The incident is under investigation. Anyone with information related to this crime is asked to contact the Cornell University Public Safety Communications Center at (607)255-1111. The Cornell University Police Department urges the community to protect themselves in the event of a fire by alerting those around you, then evacuating the building, closing room doors as you leave, activating the fire alarm, and moving away from the building once you exit. Immediately report any suspected criminal activity by dialing 911 or utilizing the RAVE Guardian app.
Verify this quote
Cornell Police CrimeALERT Public Notification (cupolice archive via Wayback)cupolice.cornell.edufind archived copies
Exact full Crime Alert body from cupolice.cornell.edu public notification 64 (Wayback snapshot)
Mary Donlon Hall northeast stairwell light-fixture fire, extinguished before arrival
UPDATEEmail
Verified verbatim941 chars
CrimeALERT: Arson - Ganedago Hall On September 19, 2023, at 11:40 a.m., the Cornell University Police Department and Cornell University Environmental Health & Safety responded to Ganedago Hall for a report of a sign damaged by fire in an elevator. It is unknown when the fire occurred but the damage was first observed on August 30, 2023. The incident is under investigation and no suspect description is available. Anyone with information related to this crime is asked to contact the Cornell University Public Safety Communications Center at (607) 255-1111. The Cornell University Police Department urges the community to protect themselves in the event of a fire by alerting those around you, then evacuating the building, closing room doors as you leave, activating the fire alarm, and moving away from the building once you exit. Immediately report any suspected criminal activity by dialing 911 or utilizing the RAVE Guardian app.
Verify this quote
Cornell Police CrimeALERT Public Notification (cupolice archive via Wayback)cupolice.cornell.edufind archived copies
Exact full Crime Alert body from cupolice.cornell.edu public notification 66 (Wayback snapshot)
Ganedago Hall elevator sign fire damage first observed Aug 30, reported Sept 19
UPDATEEmail
Verified verbatim1068 chars
Crime ALERT: Arson – Mary Donlon Hall The Cornell University Police Department responded to Mary Donlon Hall on September 24, 2023, at 6:57 p.m., for a report of a section of ceiling in the east stairwell damaged by fire. It is unknown when the fire occurred, but the damage was first observed on September 21, 2023. No suspect description is available. The investigation is ongoing and being handled by the Cornell University Police Department and the Cornell University Fire Marshal’s office. Anyone with information related to these crimes is asked to contact the Cornell University Public Safety Communications Center at (607)255-1111. The Cornell University Police Department and Cornell University Fire Marshal’s office urges the community to protect themselves in the event of a fire by alerting those around you, then evacuating the building, closing room doors as you leave, activating the fire alarm, and moving away from the building once you exit. Immediately report any suspected criminal activity by dialing 911 or utilizing the RAVE Guardian app.
Verify this quote
Cornell Police CrimeALERT Public Notification (cupolice archive via Wayback)cupolice.cornell.edufind archived copies
Exact full Crime Alert body from cupolice.cornell.edu public notification 67 (Wayback snapshot)
Mary Donlon Hall east stairwell ceiling fire damage first observed Sept 21, reported Sept 24
Message elements

How the first alert is built

To check this alert, Claude (an AI) read it in full 25 separate times, independently. Each read decided whether the message answers each of the six questions and gave a short reason. A final reviewer then weighed all 25 and wrote the plain-English verdict you see when you open a row. The score (for example 22/25) is how many reads agreed; the 25 individual reads are tucked underneath if you want to check them.

CrimeALERT: Arson - Mary Donlon Hall On September 13, 2023, at 11:27 a.m., the Cornell University Police Department, Cornell University Environmental Health & Safety, and City of Ithaca Fire Department responded to Mary Donlon Hall for a report of a light fixture in the northeast stairwell damaged by fire. The fire was extinguished before emergency personnel arrived. It is unknown when the fire was set, and no suspect description is available. The incident is under investigation. Anyone with information related to this crime is asked to contact the Cornell University Public Safety Communications Center at (607)255-1111. The Cornell University Police Department urges the community to protect themselves in the event of a fire by alerting those around you, then evacuating the building, closing room doors as you leave, activating the fire alarm, and moving away from the building once you exit. Immediately report any suspected criminal activity by dialing 911 or utilizing the RAVE Guardian app.

  • Sourcepresent25/25

    Final assessment

    Unanimous agreement that the Cornell University Police Department is named as the issuing/responding authority for this CrimeALERT.

    Who is sending the alert and who is responding. People act faster on a message from a clearly identifiable, credible sender, such as a named department, the police, or a branded alert system, than on an anonymous notice. A branded signature counts.

    See all 25 individual reads
    1. present: Names Cornell University Police Department and Environmental Health & Safety as responders/issuers.
    2. present: Names the Cornell University Police Department and other responding agencies.
    3. present: Identifies Cornell University Police Department and other responders
    4. present: identifies Cornell University Police Department and other responders as issuing authority
    5. present: Identifies Cornell University Police Department as issuer of CrimeALERT.
    6. present: 'Cornell University Police Department' named as issuer
    7. present: Signed 'Cornell University Police Department' and titled CrimeALERT
    8. present: Names the Cornell University Police Department as issuing authority.
    9. present: Names Cornell University Police Department as issuer.
    10. present: Names Cornell University Police Department and other responders.
    11. present: Identifies Cornell University Police Department and other responders.
    12. present: Issued by Cornell University Police Department.
    13. present: 'Cornell University Police Department' identified as sender/responder.
    14. present: Names Cornell University Police Department and other responding agencies.
    15. present: Identifies Cornell University Police Department as issuing this CrimeALERT.
    16. present: Names 'Cornell University Police Department' as issuing agency.
    17. present: Cornell University Police Department named as issuer.
    18. present: 'Cornell University Police Department' named as issuer
    19. present: 'Cornell University Police Department' issues the CrimeALERT
    20. present: Names Cornell University Police Department, EHS, and Ithaca Fire Department.
    21. present: Names Cornell University Police Department as issuing authority
    22. present: Cornell University Police Department named as issuer
    23. present: Cornell University Police Department named as sender/authority.
    24. present: Cornell University Police Department is named as issuer.
    25. present: Identifies Cornell University Police Department and EH&S as responders/issuer.
  • Hazardpresent25/25

    Final assessment

    Unanimous agreement that arson and fire damage to a light fixture are specifically named as the hazard.

    What the threat actually is. A complete warning names the specific danger, such as a shooter, a fire, a tornado, or a gas leak, rather than a vague emergency, because people decide what to do based on what they are facing.

    See all 25 individual reads
    1. present: States the report was of "a light fixture...damaged by fire" (arson).
    2. present: States a 'light fixture...damaged by fire', naming fire as the hazard.
    3. present: Names arson/fire damage to a light fixture
    4. present: names arson/fire specifically
    5. present: Names arson/fire damage to a light fixture.
    6. present: 'Arson' and fire in stairwell described
    7. present: Names arson/fire in light fixture
    8. present: Specifies 'a light fixture...damaged by fire'.
    9. present: States a fire in the northeast stairwell (arson).
    10. present: Names arson/fire specifically.
    11. present: Names arson/fire specifically.
    12. present: Describes arson, a light fixture damaged by fire.
    13. present: Arson/fire in stairwell named specifically.
    14. present: States 'Arson' and fire damage to a light fixture.
    15. present: States fire damaged a light fixture in the stairwell.
    16. present: Names 'Arson' and fire damage explicitly.
    17. present: Arson/fire specifically named.
    18. present: 'Arson' and fire named as the hazard
    19. present: 'Arson' and 'light fixture...damaged by fire'
    20. present: States arson/fire damage to a light fixture.
    21. present: States 'Arson' and fire damage to light fixture
    22. present: 'Arson' and 'fire' named specifically
    23. present: Arson/fire specifically named.
    24. present: Names arson/fire damage to a light fixture as the hazard.
    25. present: States a fire damaged a light fixture (arson).
  • Locationpresent25/25

    Final assessment

    Unanimous agreement that Mary Donlon Hall and its northeast stairwell are specifically named.

    Where the threat is. Saying whether danger is in a specific building, a part of campus, or area-wide lets people judge their own proximity and choose a safe direction. Without a where, a warning is hard to act on precisely.

    See all 25 individual reads
    1. present: Names Mary Donlon Hall and its northeast stairwell.
    2. present: Names Mary Donlon Hall and the northeast stairwell.
    3. present: Names Mary Donlon Hall and northeast stairwell
    4. present: names Mary Donlon Hall and northeast stairwell
    5. present: Names Mary Donlon Hall stairwell.
    6. present: 'Mary Donlon Hall' northeast stairwell
    7. present: Names Mary Donlon Hall, northeast stairwell
    8. present: Names Mary Donlon Hall, northeast stairwell.
    9. present: Names Mary Donlon Hall and the stairwell.
    10. present: Names Mary Donlon Hall, northeast stairwell.
    11. present: Names Mary Donlon Hall, northeast stairwell.
    12. present: Names Mary Donlon Hall and the northeast stairwell.
    13. present: 'Mary Donlon Hall...northeast stairwell' named.
    14. present: Names Mary Donlon Hall and stairwell.
    15. present: Names Mary Donlon Hall, northeast stairwell.
    16. present: Names 'Mary Donlon Hall' and stairwell.
    17. present: Mary Donlon Hall, northeast stairwell named.
    18. present: 'Mary Donlon Hall' named
    19. present: 'Mary Donlon Hall' in the northeast stairwell
    20. present: Names Mary Donlon Hall, northeast stairwell.
    21. present: Names Mary Donlon Hall, northeast stairwell
    22. present: Mary Donlon Hall, northeast stairwell
    23. present: Mary Donlon Hall, northeast stairwell named.
    24. present: Names Mary Donlon Hall northeast stairwell.
    25. present: Names Mary Donlon Hall and the northeast stairwell.
  • Guidancepresent25/25

    Final assessment

    Unanimous agreement that the message gives general fire-response guidance: alert others, evacuate, close doors, activate the alarm.

    The protective action to take. A clear, specific instruction, such as shelter in place, evacuate, avoid the area, or run-hide-fight, drives faster and more correct protective behavior than describing the threat alone.

    See all 25 individual reads
    1. present: Urges alerting others, evacuating, closing doors, activating alarms if a fire occurs.
    2. present: Advises alerting others, evacuating, closing doors, and activating alarms in a fire.
    3. present: Urges community to alert, evacuate, close doors, activate alarm if fire occurs
    4. present: tells community to alert others, evacuate, close doors, activate alarm if fire occurs
    5. present: Urges alerting others, evacuating, closing doors, activating fire alarm.
    6. present: Instructs to alert others, evacuate, close doors, activate alarm
    7. present: Instructs evacuating, closing doors, activating alarm if fire occurs
    8. present: Tells readers to alert others, evacuate, close doors, and activate the alarm in a fire.
    9. present: General fire safety guidance: alert others, evacuate, close doors.
    10. present: Tells readers to evacuate, close doors, activate alarm if fire occurs.
    11. present: Tells community how to protect themselves via evacuating, alarms.
    12. present: Gives general fire-response steps: alert others, evacuate, close doors, activate alarm.
    13. present: Tells readers to alert others, evacuate, close doors, activate alarm.
    14. present: Tells community to alert others, evacuate, close doors, activate alarm if fire occurs.
    15. present: Urges alerting others, evacuating, closing doors, activating alarm if a fire occurs.
    16. present: Advises alerting others, evacuating, closing doors, activating fire alarm.
    17. present: Instructs alerting others, evacuating, closing doors, activating alarm.
    18. present: 'alerting those around you, then evacuating the building...'
    19. present: tells readers to alert others, evacuate, close doors, call 911
    20. present: Urges evacuating, closing doors, activating alarm if fire occurs.
    21. present: Tells readers to evacuate, close doors, activate alarm if fire occurs
    22. present: instructs to evacuate building, close doors, activate alarm if fire occurs
    23. present: Urges evacuating, alerting others, activating fire alarm.
    24. present: Tells readers to alert others, evacuate, close doors, activate alarm if a fire occurs.
    25. present: Tells readers to alert others, evacuate, close doors, and activate alarms in a fire.
  • Timepresent25/25

    Final assessment

    Unanimous agreement that the exact date and time, September 13, 2023 at 11:27 a.m., are given.

    When the message applies. A timestamp, the word now or immediately, or a phrase like until further notice tells the reader whether the danger is current and how quickly to act.

    See all 25 individual reads
    1. present: Gives "September 13, 2023, at 11:27 a.m." as the occurrence time.
    2. present: Gives the date and time '11:27 a.m.' of the incident.
    3. present: States 'On September 13, 2023, at 11:27 a.m.'
    4. present: gives date and time 'September 13, 2023, at 11:27 a.m.'
    5. present: States September 13, 2023, at 11:27 a.m.
    6. present: 'September 13, 2023, at 11:27 a.m.'
    7. present: States 'September 13, 2023, at 11:27 a.m.'
    8. present: Gives exact date and time, 'September 13, 2023, at 11:27 a.m.'
    9. present: Gives date and time 'September 13, 2023, at 11:27 a.m.'
    10. present: Gives 'September 13, 2023, at 11:27 a.m.'
    11. present: Gives date and time September 13, 2023, 11:27 a.m.
    12. present: States 'On September 13, 2023, at 11:27 a.m.'
    13. present: 'September 13, 2023, at 11:27 a.m.' given.
    14. present: Gives date and time 'September 13, 2023, at 11:27 a.m.'
    15. present: Gives 'September 13, 2023, at 11:27 a.m.'
    16. present: Gives 'September 13, 2023, at 11:27 a.m.'
    17. present: 'On September 13, 2023, at 11:27 a.m.'
    18. present: 'September 13, 2023, at 11:27 a.m.' given
    19. present: 'September 13, 2023, at 11:27 a.m.'
    20. present: Gives 'September 13, 2023, at 11:27 a.m.'.
    21. present: Gives 'September 13, 2023, at 11:27 a.m.'
    22. present: 'September 13, 2023, at 11:27 a.m.'
    23. present: 'September 13, 2023, at 11:27 a.m.' given.
    24. present: Gives 'September 13, 2023, at 11:27 a.m.'
    25. present: Gives the date and time 'September 13, 2023, at 11:27 a.m.'
  • Impactabsent0/25

    Final assessment

    Unanimous agreement that no severity or consequence is stated beyond the fact that the fire was already extinguished before responders arrived.

    What the hazard could do to the people in its path. Beyond naming the threat, a complete warning conveys its potential consequences or severity, such as that a tornado can level buildings or that a leak could be explosive, so recipients grasp how much danger they are in. Research on warning message content finds that a concrete impact statement helps people personalize their risk and act sooner.

    See all 25 individual reads
    1. absent: Notes the fire was extinguished before arrival; no stated severity or consequence.
    2. absent: No statement of injury, damage severity, or potential harm beyond the fact of the fire.
    3. absent: No statement of potential harm beyond describing the fire event itself
    4. absent: no explicit statement of potential harm from this incident beyond describing the fire event
    5. absent: No stated severity or consequence beyond the fire being extinguished.
    6. absent: No explicit statement of harm/severity beyond the fire itself
    7. absent: No statement of potential harm beyond describing the fire event
    8. absent: Fire was already extinguished, no stated consequence or severity given.
    9. absent: No statement of injury risk or damage severity.
    10. absent: No stated severity or harm beyond the fact of fire, already extinguished.
    11. absent: No stated severity beyond describing the fire event itself.
    12. absent: No statement of harm; fire was already extinguished before arrival.
    13. absent: No explicit statement of potential harm beyond the fire itself.
    14. absent: No statement of potential harm beyond describing the fire event itself.
    15. absent: No stated severity beyond a fire already extinguished.
    16. absent: No stated harm beyond the fire itself, already extinguished.
    17. absent: No stated severity or harm beyond the fire itself.
    18. absent: No stated severity beyond the fire itself, damage to fixture noted only
    19. absent: no stated severity or consequence beyond the fire itself
    20. absent: No stated severity beyond describing the fire as extinguished before responders arrived.
    21. absent: No stated severity beyond the fire being extinguished before arrival
    22. absent: no explicit statement of harm beyond the fact of the fire
    23. absent: No stated severity/harm beyond the fire itself.
    24. absent: No statement of potential harm beyond describing the fire event itself.
    25. absent: No stated severity or consequence beyond describing the fire itself.

Systematic AI judgments with visible reasoning, not human-validated codings.

About this analysis
Context

Background

Cornell University's North Campus is home to Ganędagǫ: and Mary Donlon Hall, two residence halls that experienced a recurring, unsolved pattern of small intentionally set fires across multiple academic years. In September 2023, Cornell University Police issued three Crime Alert emails in twelve days: a burned stairwell light fixture in Mary Donlon Hall on September 13, a second fire in Ganędagǫ: Hall on September 19, and fire damage to a Mary Donlon stairwell ceiling, first noticed September 21 and reported September 26, that closed out the series. 14850.com's local coverage tracked each alert as it was issued, while Fingerlakes1.com reported that Cornell's associate vice president for public safety urged students not to treat fire-setting as a harmless prank. No suspect was identified in any of the three incidents. The Cornell Daily Sun's own October follow-up found many North Campus residents had become largely indifferent to the alerts, a response the paper contrasted with the real structural and life-safety risk of unattended dormitory fires. Ganędagǫ: Hall had already weathered an earlier, separate wave of arson incidents in December 2021 and March-April 2022, and would see at least one more isolated arson report in a fourth-floor lounge that November, underscoring how a residence hall can become a recurring target for fire-setting sprees years apart.
Analysis

Key Findings

Cornell University Police issued three separate Crime Alert emails in twelve days, September 13 to September 26, 2023, describing intentional fires in two North Campus residence halls
No suspect was identified in any of the three incidents in available reporting
The pattern targeted building fixtures, a stairwell light and ceiling section, rather than living spaces, but still triggered Clery Act timely-warning obligations given the continuing, unsolved threat
Ganędagǫ: Hall had experienced an earlier, separate wave of arson incidents in December 2021 and March-April 2022, indicating a multi-year recurring vulnerability rather than an isolated 2023 event
Student reporting found many North Campus residents had grown indifferent to the repeated alerts by the third incident, illustrating a real risk of alert fatigue in serial low-severity crime notifications
Outcome
No suspect was identified or arrested in connection with any of the three September 2023 incidents in available reporting. Cornell Police continued investigating; the university had already dealt with an earlier wave of Ganędagǫ: Hall arsons in December 2021 and March-April 2022, part of a recurring pattern of small intentional fires in Cornell's newer North Campus halls that a fourth-floor lounge fire in Ganędagǫ: extended again in November 2023.
Provenance

Sources

Every claim on this page is meant to be checkable. Open the links below (and the Verify this quote control under each confirmed alert) to read the original university, news, or archive page yourself. Hostnames are shown so you can see where you are going; archived copies survive when live pages move or disappear. See also our methodology.

  1. Student Paper
    North Campus Residents Meet Arson Incidents With Indifference
    cornellsun.com
    archived copy
  2. News
    Third report of arson at Cornell in the space of two weeks
    14850.com
    archived copy
  3. News
    Three arsons in two weeks at Cornell University: Some concerned about what's happening
    fingerlakes1.com
    archived copy
  4. Official
    Cornell Police Crime Alerts archive
    publicsafety.cornell.edu
    archived copy
  5. Official
    Cornell Police CrimeALERT Public Notification 64
    cupolice.cornell.edu
    archived copy
  6. Official
    Cornell Police CrimeALERT Public Notification 66
    cupolice.cornell.edu
    archived copy
  7. Official
    Cornell Police CrimeALERT Public Notification 67
    cupolice.cornell.edu
    archived copy
Cite this case

Campus Alert Archive. "Cornell University: A series of small unsolved dormitory fires prompts three crime alerts in twelve days." Incident of September 13, 2023. Added July 2026. https://campusalertarchive.com/case/cornell-university-north-campus-arson-series-2023-09-13/

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Alert text quoted on this page remains the work of the issuing institution; the archive is a secondary source.

Tags
arsonresidence-hallnorth-campusserial-incidentsunsolvednew-yorkprivate-r1ivy-league2020scrime-alert-seriesUnder Investigation
Added July 2026Updated July 2026Via ingestion