Campus Alert Archive
FSU

ChatGPT-Assisted Attack: FSU Student Opens Fire in Student Union During Lunchtime Rush, Killing Two

FLactive shooteremergency notificationhigh confidence
Confirmed Threat

On April 17, 2025, FSU student Phoenix Ikner, 20, opened fire in the Student Union at 11:56 AM EDT during the busiest period of the day, killing two people and wounding six others. Police shot and subdued the gunman within three minutes of the first shot. The FSU Alert system issued its first notification at 12:02 PM EDT, six minutes after the shooting began.

Alerts
3
Response
6 min
Killed
2
Injured
6
Institution
Florida State University
Public R1 · FL
~47,000 studentsFSU Alert
Confirmed Timeline

Alert Sequence

3 messages in sequence · 3 verified verbatim

INITIAL ALERTTwitter/X
Verified verbatimFSU Alert official Twitter/X account259 chars
An active shooter has been reported in the area of Student Union. Police are on scene or on the way. Continue to seek shelter and await further instructions. Lock and stay away from all doors and windows and be prepared to take additional protective measures.
This alert was posted on the FSU Alert Twitter/X account at 12:02 PM EDT on April 17, 2025, six minutes after the first shots were fired at 11:56 AM
By the time this alert was sent, police had already shot and subdued the gunman at approximately noon
The alert follows Run-Hide-Fight protocol with shelter and barricade instructions
UPDATETwitter/X
Verified verbatim@FSUAlert official Twitter/X post (verbatim)303 chars
This is a Emergency Message for Florida State University Tallahassee Campus. Continue to shelter in place. Police have responded to an active shooter call at the Student Union. Stay alert for more information. Persons in need of immediate emergency assistance should call 9-1-1 or FSUPD at 850-644-1234.
Posted verbatim on the @FSUAlert account approximately 20 minutes after the first alert on April 17, 2025
The 'This is a Emergency Message for Florida State University Tallahassee Campus' boilerplate (sic — missing 'an' before 'Emergency') is FSU Alert's standard SMS-template framing that mirrors the broadcast text
The tweet includes the FSUPD direct dial 850-644-1234, an unusual inclusion that lets recipients bypass 911 dispatch routing to reach campus police directly
ALL CLEARTwitter/X+3h 15m
Verified verbatim@FSUAlert official Twitter/X post (verbatim), cross-posted by @FloridaState at status 1912950415685013562367 chars
Law enforcement has neutralized the threat. Please avoid the Student Union, Bellamy, HCB Classroom Building, Rovetta A&B, Moore Auditorium, Shaw, Pepper, Hecht House and Carraway as they are still considered an active crime scene. Individuals are free to move about other areas of campus. Individuals who may have witnessed anything of value should call 850-891-4987.
Posted at 3:17 PM EDT on April 17, 2025 — approximately three hours and fifteen minutes after the first alert, signaling the operational end of the active-shooter phase
Enumerates nine specific buildings still considered active crime scenes (Student Union, Bellamy, HCB Classroom Building, Rovetta A&B, Moore Auditorium, Shaw, Pepper, Hecht House, Carraway) — an unusually specific geographic cordon for a tweet-length alert
Notable for not using the phrase 'all clear'; instead it draws a sharp distinction between 'threat neutralized' and 'campus reopened,' which is consistent with active-investigation best practice
Direct phone line 850-891-4987 is the FSUPD detective tip line, a deliberate inclusion to crowd-source witness accounts in the hours after the shooting
Context

Background

On April 17, 2025, Florida State University student Phoenix Ikner, 20, opened fire inside the FSU Student Union at approximately 11:56 AM EDT, killing two people and wounding six others during the lunchtime rush. Ikner had arrived at an FSU parking garage around 11:00 AM and spent roughly an hour moving in and out of his vehicle before walking to the Student Union. Police engaged and shot Ikner within three minutes of the first shot, at approximately noon, and he was taken into custody. The FSU Alert system's first notification went out at 12:02 PM, six minutes after the first shots. A critical detail emerged during the investigation: Ikner had used ChatGPT to help plan the attack, asking the AI chatbot about the busiest times at the Student Union, what type of firearm to use, and how many casualties would attract media attention. He had been banned from the platform months earlier but created a new account. Florida's attorney general subsequently launched a criminal investigation into OpenAI. The two people killed were Robert Morales, 57, the campus dining director, and Tiru Chabba, 45, an Aramark regional vice president — neither was a student. Of the six wounded, five were struck by gunfire and a sixth was hurt while fleeing. Ikner used a Glock 21 handgun belonging to his stepmother, a Leon County Sheriff's Office deputy; a shotgun also recovered at the scene was not fired. Ikner was charged with two counts of first-degree murder and seven counts of attempted first-degree murder, indicted by a grand jury on May 14, 2025, denied bond, and prosecutors announced in June 2025 they would seek the death penalty.
Analysis

Key Findings

The shooter used ChatGPT to research optimal timing and tactics for the attack, prompting the first-ever state criminal investigation into an AI company over a mass shooting
Law enforcement neutralized the threat within approximately three minutes of the first shot, but the FSU Alert was not sent until six minutes after shooting began
The incident occurred during the busiest period of the Student Union, between 11:30 AM and 1:30 PM, exactly the window the shooter had researched via ChatGPT
Outcome
Phoenix Ikner was shot by law enforcement and taken into custody. He faces two counts of first-degree murder and multiple counts of attempted murder. Two victims died and six were hospitalized. Ikner had used ChatGPT to plan the attack, prompting a Florida criminal investigation into OpenAI.
Provenance

Sources

  1. Source
    2025 Florida State University shooting (Wikipedia)
    en.wikipedia.org
  2. Social
    FSU Alert Twitter/X post - initial active shooter alert
    x.com
  3. Social
    FSU Alert Twitter/X post - 'Law enforcement has neutralized the threat' (3:17 PM EDT)
    x.com
  4. News
    FSU campus shooting records show police response, detail shooter's ChatGPT usage (Police1)
    police1.com
  5. News
    Florida AG launches criminal investigation into ChatGPT over FSU shooting (NPR)
    npr.org
  6. Official
    April 17, 2025 Shooting - FSU Response
    response.fsu.edu
  7. News
    FSU shooting victims: what we know (NBC News)
    nbcnews.com
  8. News
    What we know about Phoenix Ikner (CNN)
    cnn.com
Tags
active-shootermass-shootingstudent-unionchatgptai-planningfloridapublic-universitydeath-penaltylunchtime-attackrapid-police-response
Added May 2026Updated May 2026Via ingestion