The Etan Patz case
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A copy photo of Etan Patz taken from his missing poster is shown during a news conference near a New York City apartment building, where police and FBI agents were searching a basement for clues in the boy's 1979 disappearance, in New York, April 19, 2012. His disappearance helped launch a national movement on the issue of missing children. The date May 25 was declared "National Missing Child Day" in his honor.