Jackhammers used in search for missing NYC child

This undated image provided Friday, May 28, 2010 by Stanley K. Patz shows Patz's son Etan who vanished in New York on May 25, 1979. (AP Photo/Stanley K. Patz)

April 20, 2012 9:48:32 AM PDT
Investigators carried rubble from a basement excavation site in lower Manhattan on Friday while searching for clues in the 1979 disappearance of a 6-year-old boy.