How one 6-year-old in 1979 transformed the way America searches for missing kids Six-year-old Etan Patz, who vanished in 1979, became one of the most recognizable faces on milk cartons in the 1980s.

The boy on the milk carton Etan's case, along with that of 6-year-old Adam Walsh, who went missing from a Hollywood, Florida, shopping mall in 1981 and whose partial remains were found two weeks ...