This undated file image provided May 28, 2010, by Stanley K. Patz shows a flyer distributed by the New York Police Department of Patz's son Etan who vanished on May 25, 1979, and has never been found, after leaving his family's SoHo home for a short walk to his school bus stop in New York.
Credit: AP Photo/New York Police Department via Stanley K. Patz, File