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08/06/2013 06:25 pm ET Updated Oct 06, 2013

Amber Alert Q&A: Why It Happens, How To Turn It Off - Latimes.com

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The high-pitched Amber Alert that hit cellphones across Southern California overnight may have confounded and annoyed, but the text message also prompted a fresh round of questions.

Chief among them: Just what was that and how can I stop it from happening again?

What is it?

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