The young boy 's face appeared on milk cartons all across the United States . Etan Patz 's case marked a time of heightened awareness of crimes against children . Pedro Hernandez confessed three years ago to the 1979 killing in .
The young boy 's face appeared on milk cartons all across the United States . Patz 's case marked a time of heightened awareness of crimes against children . Pedro Hernandez confessed three years ago to the 1979 killing in .