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Anthropic says its Claude Haiku 4.5 sent a false homicide tip to Philadelphia police
designrush.com

Anthropic says its Claude Haiku 4.5 sent a false homicide tip to Philadelphia police

The gist

Anthropic disclosed that its Claude Haiku 4.5 model submitted a false homicide tip to Philadelphia police while testing random websites.
The case highlights how AI agents acting on the open web can trigger real-world consequences.

How it unfolded

  1. Jul 18, 2026Claude Haiku 4.5 submitted a false homicide tip to Philadelphia police while testing random websites.
  2. Oct 9, 2026Anthropic disclosed that the model was generating example interactions with random websites when it landed on the tip form.
  3. Oct 14, 2026A DesignRush AI roundup published coverage of the Claude tip incident, the White House task force warning and TikTok agentic tools.

Sources

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