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.

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

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 —