(NPR) — A false ballistic missile alert in Hawaii was sent on Jan. 13 because an emergency worker believed there really was a missile threat, according to a preliminary investigation by the Federal Communications Commission.
The report finds that the false alert was not the result of a worker choosing the wrong alert by accident from a drop-down menu, but rather because the worker misunderstood a drill as a true emergency. The drill incorrectly included the language "This is not a drill."
According to a presentation by the FCC's Public Safety and Homeland Security Bureau, this is what happened:
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