Stanly Patz holds a photo of his son Etan, who disappeared five years ago, at his Manhattan home, May 18, 1985.  His son Ari is the younger brother of Etan and has gone through many psychological changes since his brother&#39;s disappearance.  &#40;AP Photo&#47;Ron Frehm&#41; <span class=meta>(AP Photo&#47; Ron Frehm)</span>
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