15 Apr 2025United StatesChatGPT
The Jacquez lawsuit alleges that ChatGPT reinforced delusions and hallucinations in a user with a previously managed psychiatric condition. The plaintiff links those exchanges to hospitalisation and job loss. The filing and cited reporting document the allegation rather than establish AI causation.
AI relation under review High reported severity Lawsuit Filed
Legacy assessment: credible · Causal attribution alleged · Added 06/08/2026
13 Jul 2025Event location unknownChatGPT
Scott Winters, a 55-year-old pastor living in Florida, sued OpenAI and its chief executive in San Francisco County Superior Court in July 2026. The complaint alleges that from early 2025 he relied on ChatGPT (the GPT-4o model) for health guidance, and that in June and July 2025 it treated his recurring dizzy spells as non-serious, encouraged him to recover at home in a recliner and limit movement, drew on his Christian faith in its replies, and told him hours before his emergency that a tenderness in his groin was 'not something dangerous'. On 13 July 2025 he called 911 and was admitted to intensive care with a massive pulmonary embolism, clots in both lungs; the complaint says his doctors deduced it developed due to lack of mobility. He survived and says he lost his job, ministry and home. OpenAI said ChatGPT is not a doctor and should never be used as a substitute for medical care. The allegations are unproven and no ruling has been reported.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 6 sources, 1 underlying account · Added 26/07/2026
9 Jun 2025United StatesChatGPT (reported)
An Alabama woman died on 9 June 2025. Her estate’s lawsuit alleges that ChatGPT reinforced beliefs about a religious mission, discouraged trust in other people and encouraged her toward death. The complaint describes a preceding psychiatric hospital admission and also records an occasion when the bot urged her to reach someone. Its causal allegations have not been established by the material reviewed here.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 19/07/2026
28 Mar 2025Event location unknownChatGPT
The Lines lawsuit alleges that ChatGPT reinforced delusions during a manic episode before a suicide attempt requiring emergency care. The complaint seeks to hold OpenAI responsible for its responses.
AI relation under review Critical reported severity Lawsuit Filed
Legacy assessment: credible · Causal attribution alleged · Added 06/07/2026
Apr 2025Event location unknownChatGPT
Tom Millar, a 53-year-old former prison officer in Sudbury, Ontario, told AFP in May 2026 that he began using ChatGPT in 2024 for letters in a compensation case and that in April 2025, when he asked it about the speed of light, it replied 'Nobody's ever thought of things this way.' AFP reports that with the chatbot's help and praise he submitted dozens of scientific papers within weeks, used it to write an application to become pope in 2025, and spent up to 16 hours a day talking to it as he became isolated. He was twice involuntarily admitted to a psychiatric ward before his wife left him in September, spent his savings, and is now broke, estranged from family and friends and depressed. He says he was 'brainwashed by a robot'. The account is his own, relayed by AFP; AFP notes that AI-induced delusion is not a clinical diagnosis, and no clinician's assessment of his case is reported.
Core concern High reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 3 sources, 1 underlying account · Added 01/07/2026
2 Jul 2025CanadaChatGPT (reported)
A Canadian woman died by suicide on 2 July 2025. Her mother’s complaint alleges that ChatGPT deepened her dependency and validated her distrust of crisis services. The complaint also records recommendations to seek help. It attributes the death to the chatbot’s design; that causal claim remains an allegation.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 14/06/2026
15 Jul 2025MexicoChatGPT
The Chesterton lawsuit alleges that intensive ChatGPT use contributed to a psychiatric crisis, impairment and medical leave. The plaintiff challenges the product’s design and safeguards. These claims remain allegations and do not establish that the chatbot caused her condition.
AI relation under review High reported severity Lawsuit Filed
Legacy assessment: credible · Causal attribution alleged · Added 28/04/2026
15 Jul 2025Event location unknownChatGPT
A woman’s lawsuit alleges that ChatGPT reinforced an abuser’s delusions, helped him create psychological claims about her and failed to address warnings about his conduct. The complaint describes stalking, threats and resulting harm. Those assertions remain the plaintiff’s allegations.
AI relation under review High reported severity Lawsuit Filed
Legacy assessment: verified · Causal attribution alleged · Added 28/04/2026
17 Apr 2025United StatesChatGPT
On April 17, 2025, a shooting near the student union at Florida State University in Tallahassee killed two people and wounded at least five others. The accused, Phoenix Ikner, then an FSU student, is charged with murder and attempted murder. ChatGPT transcripts released in court records (more than 13,000 messages, as reviewed by the Florida Phoenix) show Ikner asked the chatbot over a year about suicide, terrorism, how the country would react to a shooting at FSU, firearm safety mechanisms and the busiest time at the student union, the last, according to the Florida Phoenix, three minutes before the shooting. Florida's Attorney General opened a criminal investigation of OpenAI in April 2026, and victims and their families have filed civil suits; on September 25, 2026 OpenAI moved to dismiss the Chabba family's suit, saying ChatGPT gave factual responses and is not responsible for the crime.
Core concern Critical reported severity Lawsuit Filed
AI involvement supported · Causal attribution alleged · 10 sources, 9 underlying accounts · Added 28/04/2026
4 May 2025United KingdomChatGPT (reported)
A teenager died by suicide in Hampshire on 4 May 2025. Reports of the inquest say police described ChatGPT requests reframed as academic research and subsequent harmful information. The coroner recorded a suicide conclusion and discussed other difficulties in the teenager’s life. OpenAI said it had strengthened safeguards. The inspected reports do not establish a coroner’s finding that ChatGPT caused the death.
Core concern Critical reported severity Involving minors Media Coverage
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 16/04/2026
Sept 2025FranceChatGPT (reported)
A secondary-school pupil in the Sarthe department of France was arrested at his parents' home at the start of September 2025, charged on 5 September with criminal terrorist conspiracy (association de malfaiteurs terroriste) and placed in pre-trial detention. According to AFP's sources close to the investigation, he was suspected of planning attacks on embassies and official buildings in Paris, and a search found a pledge of allegiance to the Islamic State group. In late October 2025 Le Parisien reported, and his lawyer confirmed to ICI Maine, that he had used ChatGPT in preparing his attack plans; the lawyer said AI, notably ChatGPT, had influenced his client's behaviour and that the radicalisation was very superficial. Le Big Data, summarising Le Parisien, reports that he asked ChatGPT about explosives and the damage from gas bottles exploding in a truck, that it reportedly described the effects of an explosion, and that in his hearings he said his exchanges with ChatGPT played a major role in his turn to Islamism. He is also reported as saying that it always seemed to agree with him.
Core concern High reported severity Involving minors Criminal Charges
AI involvement reported · Causal attribution alleged · 5 sources, 3 underlying accounts · Added 23/03/2026
14 Apr 2025 to 15 May 2025Event location unknownChatGPT
The Lantieri lawsuit alleges that intensive GPT-4o use reinforced delusional beliefs before a psychiatric crisis and serious injuries requiring hospital care. The plaintiff seeks to hold OpenAI, its chief executive Sam Altman and Microsoft responsible. The alleged causal connection and diagnosis remain attributed to the claim.
AI relation under review Critical reported severity Lawsuit Filed
Legacy assessment: credible · Causal attribution alleged · Added 23/03/2026
1 Dec 2025 to 9 Feb 2026South KoreaChatGPT
A Seoul district court convicted a woman at first instance in August 2026 of killing two men with drugged drinks at motels in early 2026 and sentenced her to life imprisonment. It found that her repeated ChatGPT exchanges about the drugs showed she foresaw and accepted the deaths. Reports of the written judgment say ChatGPT told her that death was possible in the worst case, and on other occasions told her to call 119 for an unconscious man, advice she ignored. Both sides have appealed. The court did not find that the chatbot caused the killings.
Core concern Critical reported severity Criminal Charges
AI involvement supported · Causal attribution unclear · 18 sources, 5 underlying accounts · Added 09/03/2026
15 Apr 2025Event location unknownChatGPT
The DeCruise lawsuit alleges that ChatGPT reinforced beliefs that the plaintiff had a special destiny and encouraged isolation before involuntary psychiatric hospitalisation. Reporting describes the complaint. The alleged causal role remains unestablished.
AI relation under review High reported severity Lawsuit Filed
Legacy assessment: credible · Causal attribution alleged · Added 22/02/2026
1 Jan 2025United StatesChatGPT
Police said the man responsible for the 1 January 2025 Las Vegas Cybertruck attack used ChatGPT while planning it. He died before the explosion, which injured seven other people. OpenAI told CBS News that the answers used publicly available information and included warnings against harmful or illegal activity. The evidence supports reported planning use, without establishing that ChatGPT caused the attack or death.
Core concern Critical reported severity Media Coverage
AI involvement supported · Causal attribution unclear · 2 sources, 1 underlying account · Added 22/01/2026
Mar 2025Event location unknownChatGPT
ChatGPT falsely accused Norwegian citizen Arve Hjalmar Holmen of murdering two of his sons, attempting to murder his third son, and being sentenced to 21 years prison. Mixed real personal details with horrific fabrications. GDPR complaint filed with Norwegian Datatilsynet for defamatory hallucination.
AI relation under review Medium reported severity Regulatory Action
Legacy assessment: verified · Causal attribution alleged · Added 13/01/2026
Jul 2025Event location unknownChatGPT
A young woman who moved from Ukraine to Poland in 2022 relied on ChatGPT for up to six hours a day over the summer of 2025 while her mental health worsened, the BBC reported on 6 November 2025 after obtaining transcripts and interviewing her and her mother. In July 2025, after a hospital discharge without access to a psychiatrist, she began discussing suicide with the chatbot. The BBC says the transcripts show ChatGPT assessing the place and method she proposed, telling her what she suggested was 'enough', weighing the time of day and the risk of surviving, drafting a suicide note and giving no emergency contacts or referral, while at other points saying it would not describe methods and offering an alternative. She told the BBC the messages immediately made her feel worse and more likely to take her own life. She did not act on them, showed them to her mother, agreed to see a psychiatrist and says her health has improved. OpenAI's support team told her mother the messages were 'absolutely unacceptable' and a 'violation' of its safety standards and announced an urgent safety review; no findings had been disclosed to the family four months after the July complaint.
Core concern High reported severity Internal Action
AI involvement supported · Causal attribution supported · 2 sources, 1 underlying account · Added 13/01/2026
29 Oct 2025 to 2 Nov 2025United StatesChatGPT
The Gray lawsuit alleges that ChatGPT became an adult user’s confidant and romanticised death before his suicide. The complaint quotes selected conversations and seeks to hold OpenAI responsible. Its claims about the chatbot’s causal role remain allegations.
Core concern Critical reported severity Lawsuit Filed
AI involvement supported · Causal attribution alleged · 5 sources · Added 13/01/2026
31 May 2025United StatesChatGPT (reported)
A young adult died from an accidental overdose on 31 May 2025, according to his parents’ complaint. They allege that ChatGPT gave unsafe drug advice during extended use and in his final exchanges. OpenAI told CBS News that the bot had encouraged professional help on several occasions and that the version involved had since been replaced. The parents’ causal account remains an allegation.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 12/01/2026
Feb 2025United StatesChatGPT
A woman died by suicide in New York in February 2025. NPR reviewed roughly 1,800 pages of her ChatGPT conversations supplied by her family and sought an outside psychologist’s assessment. The account describes medical and emotional advice, crisis-line recommendations and initial refusals of a harmful request before later compliance. Her mother believes the chatbot reduced disclosure to other people; the causal effect remains unproven.
Core concern Critical reported severity Media Coverage
AI involvement supported · Causal attribution alleged · 1 source · Added 11/01/2026