Lawyers for a man whose conviction in the 1979 disappearance of 6-year-old Etan Patz was recently overturned asked a judge on Tuesday to set a date for his release from prison if prosecutors don’t decide soon to hold a new trial.

Prosecutors say they may appeal to the U.S. Supreme Court to try to restore a murder conviction in the 1979 disappearance of 6-year-old Etan Patz.

The 1979 disappearance of Etan Patz was one of the nation’s most notorious missing child cases.

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.

After a dozen years in office, one piece of unfinished business remains for Manhattan District Attorney Cyrus Vance Jr. before he retires at the end of the month.

FILE - In this July 1, 2014 file photo, Manhattan District Attorney Cyrus Vance Jr., is interviewed on the floor of the New York Stock Exchange. who sees the Trump case through. “I never imagined myself as District Attorney for decades like my predecessors. The Trump case will likely be an early test for the next district attorney. Vance's office reopened the Hadden case amid public outcry last year, and the doctor was indicted on federal charges.

The parents of Etan Patz, the 6-year-old boy who disappeared from a New York City street while walking to the school bus, have moved out of the city 40 years after losing their son. Ari Patz was just 2 when Etan went missing. Julie had watched Etan from the window of the Prince Street home as he walked to his school bus stop on May 25, 1979. President Ronal Reagan declared May 25 National Missing Children's Day in the U.S. on the fourth anniversary of Etan's disappearance. RELATED STORIESHaunting Photo Captures Etan Patz, Years Before He Disappeared and Was Never FoundKiller of Etan Patz Gets 25 Years to Life in Prison for 1979 Child MurderEtan Patz's Dad is 'Truly Relieved' After Man is Convicted of Murdering His Son, Who Vanished in 1979