An appellate court decision overturning the conviction of Pedro Hernandez once again puts the shocking disappearance of a little boy in the spotlight.

A federal appeals court has overturned the conviction of the man who was found guilty in 2017 of killing 6-year-old Etan Patz in 1979.

"48 Hours" goes inside the painstaking investigation through the eyes of those who have spent more than three decades trying to find the 6-year-old boy and to bring closure to his heartbroken parents

A federal appeals court said on Monday that Pedro Hernandez, the man convicted of killing six-year-old Etan Patz in 1979, should either be retried or released. Hernandez, 64, has been in a New York state prison since 2017,