Denise Sheehy was 16 when she vanished from the Woodside neighborhood of Queens, New York, after an argument with her mother on July 7, 1970. The disagreement happened on her sister Lorraine’s 19th birthday; upset at being accused of smelling like alcohol and threatened with her father being told, Denise left the Mets Apartment Complex about 5:00 p.m. and was last seen by a neighbor climbing over a fence behind the building. She walked out wearing blue shorts, a red and white top, white clog sandals, and two gold rings — one engraved with DS and a boy’s school ring — and took no personal belongings.

Her parents reported her missing on July 8. The NYPD searched the apartment and surrounding area but reportedly found no leads. A boyfriend who had been out of town was questioned and quickly ruled out by police; the family has also said they do not believe he was involved. Denise’s father has since died, though her mother and sisters continued to hope for her return, and she has never been declared legally dead. The case remains classified as an endangered missing person report.

What details about that evening or anyone who might have seen Denise leaving the building could help move this case forward?