The 1979 disappearance of Etan Patz was one of the nation’s most notorious missing child cases. The six-year-old Manhattan resident was among the first children whose disappearance and likeness were publicized on milk cartons across the country.

A federal appeals court on Monday ordered Pedro Hernandez, the SoHo bodega clerk convicted of kidnapping and murdering 6-year-old Etan Patz in 1979, get a new trial or be freed from custody —

Pedro Hernandez was sentenced to 25 years after confessing to kidnapping and killing Patz in New York City, in notorious 1979 child disappearance case.