Former Hawaii lawmaker Suzanne Chun Oakland remembers arriving at school one morning in 1977 to an eerie buzz. The 15-year-old had met up with girlfriends as usual before class at Honolulu's McKinley High School when she learned a student named Dawn Momohara had been found dead on the second floor of a school building.

There were no updates in the case until 2019 when cold case detectives asked a forensic biology unit to examine several items of evidence from the scene, including Momohara's underwear