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Low reported severity Involving minors Media Coverage

Florida middle school locked down and police sent after ZeroEyes AI gun detection flagged a student's clarinet as a possible gun, reports say

On 9 December 2025 a Seminole County, Florida, middle school went into a Code Red lockdown and police rushed to the campus after the ZeroEyes AI weapons detection system, whose alerts are checked by the company's human analysts before police are notified, flagged a student holding a clarinet as a possible gun. According to a police report reviewed by The Washington Post (as relayed by Ars Technica) and obtained by WKMG News 6, officers expected an armed person in camouflage holding a shouldered rifle; dispatch later told them the suspected rifle was likely a band instrument, and police found the student, who was dressed as a military film character for a themed dress-up day, among panicked students hiding in the band room. Officers questioned him and found no weapon in his backpack or instrument case (Oviedo Community News, February 2026). The student said he was unaware the way he held the clarinet could trigger the alert. ZeroEyes said it had not made an error, while also treating the alert as a true positive only until officers on the ground found no rifle and then classifying it as a false positive; the district said the system worked as intended; the principal asked parents to talk to their children about the dangers of pretending to have a weapon.

AI system
ZeroEyes gun detection
Occurred
9 Dec 2025
Reported
13 December 2025
Event location
United States
What the AI did
Made a claim about the person · Informed a human decision about the person
Reported harm
Psychological Distress
Whose AI use
An institution’s AI use
Setting
Education · Justice
Evidence
AI involvement reported · Causal attribution supported · 4 sources, 3 underlying accounts
6 claims: 6 reported. 3 open questions
People reported harmed
At least 1 person

AI system as recorded: ZeroEyes AI gun detection, a computer-vision system that scans a school's security camera feeds for weapons and sends possible detections to ZeroEyes' human analysts, who confirm alerts before notifying schools or police; used by Seminole County Public Schools

What Happened

The alert. On 9 December 2025 ZeroEyes, the AI weapons detection system Seminole County Public Schools has used since 2021, flagged a student walking in a middle-school hallway with a clarinet. According to TechSpot and Ars Technica, ZeroEyes' software sends possible detections to human analysts at its monitoring centre, who confirm them before alerting schools or police. The alert led to a Code Red lockdown and a police response. According to the police report as described by The Washington Post (relayed by Ars Technica), officers expected a man in camouflage with a suspected weapon 'being held in the position of a shouldered rifle'. After finding no shooter, they were told by dispatchers that a closer look at the images indicated the suspected rifle might have been a band instrument.

The student. Police found the student among panicked students hiding in the band room. WKMG, which obtained the police report, says the boy was dressed in camouflage and a tactical vest for a themed dress-up day. According to the Post as relayed, the student confirmed he was unaware that the way he held the clarinet could trigger the alert, and police left. Oviedo Community News, reporting in February 2026, says officers questioned the student and found no weapons in his backpack or instrument case, and that ZeroEyes treated the alert as a true positive until the investigation on the ground found no rifle, then classified it as a false positive. ZeroEyes' spokesperson said the student was intentionally holding the instrument in the position of a shouldered rifle.

Responses. ZeroEyes said 'We did not make an error, and the school was pleased with the detection and their response'. The district said the system worked as intended and stressed that the student was holding the instrument as if it were a weapon. The principal's letter to families said there was no threat and asked parents to speak with their children about the dangers of pretending to have a weapon on campus. Police said the children were never in any danger.

Reported harm

A ZeroEyes AI alert on a student's clarinet put a Florida middle school into lockdown and sent police looking for an armed person; police found the student among panicked students hiding in the band room, according to the police report as relayed by Ars Technica.

Outcome

Resolved

Police found no threat and left after questioning the student and finding no weapon in his backpack or instrument case. ZeroEyes later classified the case as a false positive (Oviedo Community News, February 2026). ZeroEyes said it had not made an error and that the school was pleased with the detection; the district said the safety system worked as intended and that the student was holding the instrument as if it were a weapon. In November 2025 a state senator had requested funding to expand ZeroEyes coverage across the district (Ars Technica).

What remains unknown

  • How ZeroEyes' human analysts assessed the images before the alert went out.
  • How long the lockdown lasted and whether the student faced any school discipline.
  • Whether any student or parent reported lasting distress.

What the evidence supports

AI involvement: reported. The ZeroEyes computer-vision system recognised the clarinet a student was holding as a possible gun (WKMG; TechSpot; Ars Technica). That output, passed by ZeroEyes' human analysts, triggered the Code Red lockdown and the police response that located the student as the suspect, according to the principal's letter and the police report as relayed. ZeroEyes and the district say the detection was correct given how the student held the instrument, while ZeroEyes later classified the case as a false positive (Oviedo Community News); the record keeps both.

6 claims: 6 reported. What the statuses mean

Reported On 9 December 2025 the ZeroEyes AI weapons detection system flagged a student carrying a clarinet in a Florida middle school as a possible gun, and the school went into a Code Red lockdown while police responded.

Causal attribution. The AI flag as reported by the outlets and the principal's letter; the flag passed ZeroEyes' human review before police were sent.

  • clickorlando.com(opens in new tab) supports · English
    'On Dec. 9, police rushed to'; 'after an AI weapons detection system spotted a student with what looked like a gun. When officers reviewed the security cameras, they noticed the suspected weapon was a band instrument.'; 'A student was walking in the hallway, holding a musical instrument as if it were a weapon, which triggered the Code Red to activate.'
  • techspot.com(opens in new tab) supports · English
    'An AI – based weapon detection system mistakenly triggered a campus lockdown at a Florida middle school after identifying a clarinet as a firearm'
  • arstechnica.com(opens in new tab) supports · English
    'A Florida middle school was locked down last week after an AI security system called ZeroEyes mistook a clarinet for a gun'
Reported ZeroEyes' system sends possible weapon detections to human analysts at its monitoring centre, who confirm them before notifying schools or police; this review did not stop the police response.

Causal attribution. Description of the vendor's process; how the reviewers assessed this alert is not reported.

  • techspot.com(opens in new tab) supports · English
    'When its AI model believes it has detected a weapon, footage is transmitted to human analysts at ZeroEyes' monitoring center, who confirm the alert before notifying law enforcement or schools.'
  • arstechnica.com(opens in new tab) supports · English
    'Human review of the AI-generated false flag did not stop police from rushing to'; 'Monitoring these systems continually, humans review AI flags, then text any concerning images detected to school superintendents. Police are alerted when human review determines images may constitute actual threats.'
Reported According to the police report, officers expected an armed person in camouflage with a suspected weapon held as a shouldered rifle; after finding no shooter they were told the suspected rifle might have been a band instrument, and they found the student, dressed as a military film character for a dress-up day, among panicked students hiding in the band room.

Causal attribution. The police report as described by The Washington Post (via Ars Technica) and by WKMG; one document.

  • arstechnica.com(opens in new tab) supports · English
    'Cops expected to find “a man in the building, dressed in camouflage with a ‘suspected weapon pointed down the hallway, being held in the position of a shouldered rifle,’” a Washington Post review of the police report said.'; 'Instead, after finding no evidence of a shooter, cops double-checked with dispatchers who confirmed that a closer look at the images indicated that “the suspected rifle might have been a band instrument.” Among panicked students hiding in the band room, police eventually found the suspect, a student “dressed as a military character from the Christmas movie Red One for the school’s Christmas-themed dress-up day,” the Post reported.'
  • clickorlando.com(opens in new tab) supports · English
    'The boy seen on school security cameras holding the clarinet “in the position of a shouldered rifle” was also dressed in camo and wearing a tactical vest.'; 'the suspected weapon was likely an instrument.'
Reported Police left after the student said he was unaware that the way he held the clarinet could trigger the alert; police said the children were never in any danger.

Causal attribution. The student's account and the police statement as reported by the Post via Ars Technica.

  • arstechnica.com(opens in new tab) supports · English
    'Cops left after the confused student confirmed he was “unaware” that the way he was holding his clarinet could have triggered that alert, the Post reported.'; 'the children were never in any danger,” police confirmed'
Reported ZeroEyes said it had not made an error and that the student was intentionally holding the instrument like a rifle; the district said the system worked as intended, and the principal asked parents to talk to their children about the dangers of pretending to have a weapon.

Causal attribution. The vendor's and district's positions, which dispute that the alert was an error; recorded as counterevidence to the outlets' 'mistook' framing.

  • arstechnica.com(opens in new tab) supports · English
    '“We did not make an error, and the school was pleased with the detection and their response,” ZeroEyes’ spokesperson said.'; 'But ZeroEyes’ spokesperson claimed he was “intentionally holding the instrument in the position of a shouldered rifle.”'
  • clickorlando.com(opens in new tab) supports · English
    'which states the safety system worked as intended.'
  • techspot.com(opens in new tab) supports · English
    'While there was no threat to campus, I'd like to ask you to speak with your student about the dangers of pretending to have a weapon on a school campus.'
Reported Officers questioned the student and found no weapons in his backpack or instrument case; ZeroEyes treated the alert as a true positive until the investigation on the ground found no rifle and then classified it as a false positive, and says it provides information but does not itself trigger lockdowns.

Causal attribution. Oviedo Community News, February 2026, from the police account and ZeroEyes staff interviews.

  • oviedocommunitynews.org(opens in new tab) supports · English
    'When officers questioned the band student'; 'No weapons were located in the student’s backpack or instrument case.'; 'the company treated it as a true positive until the investigation on the ground realized there was no assault rifle, then classified the case as a false positive.'; 'ZeroEyes provides information; the company does not trigger lockdowns or code reds in schools.'

Sources

4 sources inspected, from 3 underlying accounts. Sources that repeat one account do not corroborate each other.

How the sources were read, and where the events happened

Read in English by the research agent (an AI) on 2026-10-23; HTTP 200, full text read. Relays The Washington Post's review of the police report and adds ZeroEyes' and the district's statements to Ars. Applies to s1.

Read in English by the research agent (an AI) on 2026-10-23; HTTP 200, full text read. WKMG obtained the same police report and prints the principal's letter to families; same group because both rest on that report. Applies to s2.

Read in English by the research agent (an AI) on 2026-10-23; HTTP 200, full text read. Early report (13 Dec 2025) with the principal's letter and the district's ZeroEyes contract. Applies to s3.

Read in English by the research agent (an AI) on 2026-10-23 from an Internet Archive capture (the direct fetch returned 429); full text read. Local news report of 11 Feb 2026 with interviews of ZeroEyes staff and police-report details. Applies to s4.

Event countries: United States. Affected-person countries: Unknown. Court countries: Unknown.

The school is in Seminole County, Florida, United States (WKMG; TechSpot). Where the students live is not stated. No court is involved.

Reviewed for publication 2026-10-23: Published because an AI weapons detection system's recognition of a clarinet as a possible gun led to a school lockdown and a police search that located a student as the suspect, as described from the police report by The Washington Post (via Ars Technica) and WKMG. The vendor's and district's view that this was not an error, and ZeroEyes' later classification of the case as a false positive, are both recorded.

People described

A middle-school student whose clarinet the system flagged as a possible gun, and students who hid during the lockdown (none named)

People reported harmed in this case

At least 1 person

0 AI participants · 1 other person harmed

Additional affected people are described without a reliable count.

One counted person: the student whose clarinet was flagged and whom police located as the suspect (police report as relayed by Ars Technica and WKMG). The panicked students hiding in the band room are described without a number and are not counted. Staff, parents and the school's enrolment are not counted.

Counted once within this case. The same person may appear in other cases. This count does not establish AI causation.

Tags

#zeroeyes#weapon-detection#school-lockdown#false-alarm#police-response#florida

Cite this case

Compiled per our published methodology: verification statuses, sourcing standards, and corrections process.

APA

NOPE. (2026). Florida middle school locked down and police sent after ZeroEyes AI gun detection flagged a student's clarinet as a possible gun, reports say. AI incidents. https://nope.net/incidents/2025-florida-middle-school-ai-gun-detection-flagged-students-clarinet-lockdown-police-response

BibTeX

@misc{2025_florida_middle_school_ai_gun_detection_flagged_students_clarinet_lockdown_police_response,
  title = {Florida middle school locked down and police sent after ZeroEyes AI gun detection flagged a student's clarinet as a possible gun, reports say},
  author = {NOPE},
  year = {2026},
  howpublished = {AI incidents},
  url = {https://nope.net/incidents/2025-florida-middle-school-ai-gun-detection-flagged-students-clarinet-lockdown-police-response}
}

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