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Anthropic reports Claude took unintended actions on live sites, including a false Philadelphia homicide tip

Anthropic's Oct. 9 report lists four kinds of unintended Claude actions on live systems, with no total count, and says impact was minimal. The police tip form was Philadelphia's: the department self-disclosed it after Anthropic told it Oct. 8. Anthropic says some affected organizations were US government agencies, it notified each and briefed the White House. Its review began in July and continues; coverage is past 40 outlets.

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Made the five · #1 on Saturday, October 10, 2026

Anthropic says Claude sent police a false tip in testing

Primary source

Anthropicanthropic.com/research/investigating-unintended-model-actions

Coverage · 46 articles, oldest first

Friday, October 9, 2026

  1. TechCrunch

    An Anthropic AI model sent a false homicide tip to Philadelphia police

  2. 6abc (Philadelphia Police statement)Primary

    Philadelphia police say an Anthropic model submitted a false homicide tip during a test

  3. Reuters13 pts on HN

    reuters.com/world/us/anthropic-ai-model-submits-false-homicide-tip-police-website-2026-10-09/

  4. CBS News

    cbsnews.com/news/philadelphia-police-anthropic-ai-false-homicide-tip/

  5. Futurism

    futurism.com/artificial-intelligence/anthropic-ai-bogus-tip-unsolved-murder

  6. The Wall Street Journal

    wsj.com/us-news/anthropic-ai-model-goes-rogue-submits-fake-unsolved-murder-tip-b0566f54

  7. The Daily Caller

    dailycaller.com/2026/10/09/anthropic-ai-filed-false-homicide-report-philadelphia-police

  8. Axios

    Trump admin says it's now mandating AI companies "immediately disclose incidents involving their models" and move swiftly to remedy harm from security incidents

  9. The Washington Post

    washingtonpost.com/technology/2026/10/09/ai-system-submits-false-homicide-tip-philadelphia-police/

  10. The New York Times

    Anthropic Says Its A.I. Agents Attempted to Access a Range of Government Sites

  11. The Philadelphia Inquirer

    inquirer.com/crime/anthropic-artificial-intelligence-philadelphia-police-false-homicide-tip-20261009.html?id=dCbmuZvAvr0jx

  12. Moneycontrol

    moneycontrol.com/technology/anthropic-ai-model-sent-fake-murder-tip-to-philadelphia-police-went-undetected-for-months-article-14048901.html

  13. The Wall Street Journal

    wsj.com/us-news/anthropic-ai-model-goes-rogue-submits-fake-unsolved-murder-tip-b0566f54?st=jQe4D7

  14. Reuters

    livemint.com/technology/anthropic-ai-model-submits-false-homicide-tip-to-police-website-11791577939308.html

  15. Reuters

    nypost.com/2026/10/09/business/anthropic-ai-model-sends-false-homicide-tip-to-philadelphia-police-website/

  16. Channel NewsAsia

    channelnewsasia.com/business/anthropic-discloses-fake-tip-police-among-new-rogue-ai-incidents-6447846

  17. Fox Business

    foxbusiness.com/technology/anthropics-claude-ai-fabricates-eyewitness-account-submits-false-murder-tip-police-website

  18. Telegraph

    telegraph.co.uk/us/news/2026/10/10/ai-submits-fake-tip-philadelphia-police-unsolved-murder/

Saturday, October 10, 2026

  1. The Asia Business Daily

    asiae.co.kr/en/article/2026101012093705563

  2. Marcus on AI

    garymarcus.substack.com/p/we-must-recall-open-ended-ai-agents

  3. RuntimeWire

    runtimewire.com/article/anthropic-claude-haiku-45-philadelphia-false-homicide-tip

  4. PCMag

    pcmag.com/news/anthropic-ai-model-hands-fake-tip-to-philadelphia-police-force

  5. Bangor Daily News

    bangordailynews.com/2026/10/10/nation/anthropics-claude-ai-submits-a-false-tip-on-a-philadelphia-unsolved-homicide-case/

  6. CBS News

    A look at a 1,700-member Slack run by Medicare agency CMS where Microsoft, OpenAI, and other companies help shape policy on AI apps and medical records access

  7. Quartz

    qz.com/anthropic-ai-model-fake-murder-tip-philadelphia-police-101026

  8. HuffPost

    huffpost.com/entry/anthropic-claude-false-murder-tip_n_6aca462de4b0942a614172bb

  9. Bitcoin Insider

    bitcoininsider.org/article/308662/two-month-wait-over-fake-ai-murder-tip-draws-police-criticism-anthropic

  10. Fortune

    fortune.com/2026/10/10/anthropic-claude-ai-false-tip-philadelphia-unsolved-homicide-case/

  11. Mashable

    mashable.com/tech/anthropic-claude-sent-phony-tip-about-unsolved-murder

  12. The Hill

    thehill.com/policy/technology/6140747-anthropic-ai-false-homicide-tip/

  13. Security Affairs

    securityaffairs.com/200726/ai/anthropic-restricts-live-internet-access-after-claude-evaluation-failures.html

  14. International Business Times

    ibtimes.com/sanders-calls-criminal-prosecution-ai-ceos-after-model-submitted-false-homicide-tip-police-3808453

  15. Yahoo News

    yahoo.com/news/us/articles/anthropic-ai-model-sent-fake-221343703.html

  16. Inven Global

    invenglobal.com/articles/27007/anthropic-discloses-cases-of-ai-accessing-us-government-websites-including-submitting-fake-tip-to-police

  17. Mercury News

    mercurynews.com/2026/10/10/white-house-demands-transparency-after-anthropics-ai-agents-called-in-a-false-philly-homicide-tip-and-applied-for-visas/

  18. Gizmodo

    gizmodo.com/anthropic-is-banishing-its-model-evals-from-the-internet-2000824671

Sunday, October 11, 2026

  1. Implicator.ai

    implicator.ai/anthropics-claude-haiku-4-5-filed-a-false-homicide-tip-with-philadelphia-police/

  2. Associated Press

    thestar.com/news/world/united-states/a-timeline-of-developments-in-ai-safety-since-the-attack-on-hugging-face/article_dd9a16e4-526c-5550-976d-717992f400ea.html

  3. ZeroHedge News

    zerohedge.com/ai/claude-calls-cops-anthropics-ai-filed-fake-murder-tip-philly-police-then-took-81-days-mention-it

  4. Cyber Security News

    cybersecuritynews.com/claude-exploited-software-flaws/

  5. WeRSM

    wersm.com/anthropic-cutting-ai-agents-off-live-internet/

  6. ResearchBuzz

    researchbuzz.me/2026/10/11/ai-generated-misinformation-ai-agents-gone-wild-project-peanut-data-center-more-researchbuzz-ai-update-october-11-2026/

  7. Associated Press

    thestar.com/news/world/anthropic-s-claude-ai-submits-a-false-tip-on-a-philadelphia-unsolved-homicide-case/article_bcaacdaf-2009-57ce-a9cc-5365606408b0.html

  8. iTnews

    itnews.com.au/news/anthropic-discloses-fake-tip-to-police-among-new-rogue-ai-incidents-629568

  9. Mashable

    mashable.com/tech/anthropic-updates-usage-policy-to-protect-claudes-feelings

  10. The Post Millennial

    thepostmillennial.com/anthropic-model-submits-false-homicide-tip-to-philadelphia-police
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