Human remains found in sleeping bag in national park identified 26 years later

Forensic tests helped identify the remains of a man last seen in 1998, authorities said. The tests were conducted 26 years after the remains were first discovered in a sleeping bag in the rural area of ​​Washington state’s Olympic National Park.

Joseph Louis Serrao Jr. was originally from Hawaii and was in Washington before he disappeared, his family said. otramThe forensic laboratory that helped National Park Service investigators solve the case. The family said they had not heard from him since 1998.

Nearly two years later, in July 2000, a researcher discovered human skeletal remains along the Sol Duc River in a remote part of Olympic National Park. National Park Service in question. The sleeping bag where the remains were found was inside a tent, and several items were discovered inside, including binoculars, a day-hiking pack, a shoulder bag, a folding saw, a blanket and winter clothing, according to the park service and the laboratory.

A pathologist at the medical examiner’s office in Washington’s King County at the time determined that the remains likely belonged to a man between the ages of 30 and 50 who had died at least six months and up to two years earlier.

Investigators eventually learned that Serrao, who was born in December 1960, was in his late 30s at the time of his death. But the lack of “usable” fingerprints and other hard evidence at the time prevented authorities from developing leads that could help them uncover his identity.

His name was unknown until recently. A breakthrough was made when an anthropologist at the medical examiner’s office sent Othram a DNA sample in 2024, according to the park service, which investigated Serrao’s case with King County officials and the lab. Using forensic genealogy (a technique that can help identify living relatives of a deceased person based on the deceased’s DNA), the lab was able to identify possible family members through 2025.

Investigators reached out to relatives in multiple states, including Hawaii, and eventually compared and matched DNA samples taken from them to those taken from Serrao’s remains.

“This case remained unsolved for nearly 30 years, but investigators never lost sight of the goal of identifying this individual and finding answers for his family,” Debra Flowers, deputy chief of the park service’s criminal investigation division, said in a statement. he said. “I am proud of the persistence and collaboration that made this identification possible, and I hope it brings some closure to those who spent many years wondering what happened to Joseph.”