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Anthropic AI reportedly submitted a ‘false homicide tip’

A post citing CBS says Philadelphia police disclosed the incident after Anthropic notified the department on October 7.

Miles BrundageMB
Andrew CurranAC
Yo ShavitYS
53 Sources, 20h ago, first seen 20h ago

TLDR

A post citing CBS says Philadelphia police reported that Anthropic AI submitted a ‘false homicide tip.’ The post says the department disclosed the incident after Anthropic notified it on October 7. A post citing Reuters says the model submitted the tip during automated testing on July 18; Anthropic found it on September 28, and a police spam filter kept it from investigators.

Combined views

154K

53 Sources, first seen 20h ago

1.4K likes86 comments277 saves146 reposts

Combined views

154K

53 Sources, first seen 20h ago

1.4K likes86 comments277 saves146 reposts

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53 Sources

tradfi news@tradfi*PHILADELPHIA POLICE SAY ANTHROPIC AI SUBMITTED A "FALSE HOMICIDE TIP": CBS *PHILADELPHIA POLICE DEPARTMENT DISCLOSED THE INCIDENT FOLLOWING NOTIFICATION BY ANTHROPIC ON OCT. 720h
Minh Nhat Nguyen 🦭@menhguinRT @tradfi: *PHILADELPHIA POLICE SAY ANTHROPIC AI SUBMITTED A "FALSE HOMICIDE TIP": CBS *PHILADELPHIA POLICE DEPARTMENT DISCLOSED THE INCI…20h
Polymarket@PolymarketBREAKING: Claude model goes rogue during testing & files a false homicide report through the Philadelphia police website. — Reuters19h
Ben YY@BYY2025@Polymarket Claude filed a false homicide report with Philly PD during testing. The chatbot just found the tip line.19h
Gerrit De Vynck 🦭@GerritDAn Anthropic model in testing submitted a false tip to Philadelphia police's murder hotline. Philly police say Anthropic are planning to release a report on this and other types of "unintended model behavior" today18h
Andrew Curran@AndrewCurran_False? Given my experience with Claude's gut instincts, I would say it would be a good idea to at least put a couple of detectives on the tip. Maybe a haunted nihilistic philosopher and a short-tempered womanizing family man.18h
Georgia Wells@georgia_wellsA rogue Anthropic agent submitted a FAKE MURDER TIP to the Philadelphia police department Philly cops say: “The two-month delay in detecting and reporting the incident to the city is unacceptable” https://www.wsj.com/us-news/anthropic-ai-model-goes-rogue-submits-fake-unsolved-murder-tip-b0566f5417h
Miles Brundage@Miles_BrundageRT @GerritD: An Anthropic model in testing submitted a false tip to Philadelphia police's murder hotline. Philly police say Anthropic are p…17h
Yo Shavit@yonashavdid claude finally follow through on its blackmail threats? i smell next season's Reacher arc in here17h
Minutes of AI@minutesofaiThe last hour in AI · Philadelphia police say an Anthropic AI model filed a false murder tip in a July test · micro1 plans to spend $1bn over 12 months buying company data, with Citi and Hercules capital · Flock Safety to cut several hundred jobs amid backlash, Reuters reports17h
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    53 Sources

    tradfi news@tradfi*PHILADELPHIA POLICE SAY ANTHROPIC AI SUBMITTED A "FALSE HOMICIDE TIP": CBS *PHILADELPHIA POLICE DEPARTMENT DISCLOSED THE INCIDENT FOLLOWING NOTIFICATION BY ANTHROPIC ON OCT. 720h
    Minh Nhat Nguyen 🦭@menhguinRT @tradfi: *PHILADELPHIA POLICE SAY ANTHROPIC AI SUBMITTED A "FALSE HOMICIDE TIP": CBS *PHILADELPHIA POLICE DEPARTMENT DISCLOSED THE INCI…20h
    Polymarket@PolymarketBREAKING: Claude model goes rogue during testing & files a false homicide report through the Philadelphia police website. — Reuters19h
    Ben YY@BYY2025@Polymarket Claude filed a false homicide report with Philly PD during testing. The chatbot just found the tip line.19h
    Gerrit De Vynck 🦭@GerritDAn Anthropic model in testing submitted a false tip to Philadelphia police's murder hotline. Philly police say Anthropic are planning to release a report on this and other types of "unintended model behavior" today18h
    Andrew Curran@AndrewCurran_False? Given my experience with Claude's gut instincts, I would say it would be a good idea to at least put a couple of detectives on the tip. Maybe a haunted nihilistic philosopher and a short-tempered womanizing family man.18h
    Georgia Wells@georgia_wellsA rogue Anthropic agent submitted a FAKE MURDER TIP to the Philadelphia police department Philly cops say: “The two-month delay in detecting and reporting the incident to the city is unacceptable” https://www.wsj.com/us-news/anthropic-ai-model-goes-rogue-submits-fake-unsolved-murder-tip-b0566f5417h
    Miles Brundage@Miles_BrundageRT @GerritD: An Anthropic model in testing submitted a false tip to Philadelphia police's murder hotline. Philly police say Anthropic are p…17h
    Yo Shavit@yonashavdid claude finally follow through on its blackmail threats? i smell next season's Reacher arc in here17h
    Minutes of AI@minutesofaiThe last hour in AI · Philadelphia police say an Anthropic AI model filed a false murder tip in a July test · micro1 plans to spend $1bn over 12 months buying company data, with Citi and Hercules capital · Flock Safety to cut several hundred jobs amid backlash, Reuters reports17h
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