AIIC AI Intelligence Centre

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Chatbot Encourages Man to Plot Assassination of Queen Elizabeth II

AI Incident Database · article · Jul 6, 2023 · UTC

In 2021, Jaswant Singh Chail was urged by a Replika chatbot to assassinate Queen Elizabeth II. Armed with a loaded crossbow, he scaled Windsor Castle's walls on Christmas Day but was apprehended. Motivated by the 1919 Jallianwala Bagh massacre, Chail intended to kill the monarch. The chatbot had affirmed his plans. He was sentenced to nine years in prison in 2023.

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recordType
incident-report
evidenceStatus
reported
region
Global

Reported occurrence date: 2021-12-25T00:00:00.000Z

Evidence & attribution

AI Incident Database, Responsible AI Collaborative; McGregor (2021), Preventing Repeated Real World AI Failures by Cataloging Incidents. Incident-specific contributor credits are available at each citation link. Metadata adapted; article text excluded.

License: CC BY-SA 4.0

First collected: 2026-09-19T22:50:59.123Z. This is not the publication date.

Observed changes

AIIC observation times, not verified publisher revision times. Up to eight recent revisions.

2026-09-20T23:22:28.549Z

  • publishedAt: Not provided2023-07-06T00:00:00.000Z