The unsolved death of a teenager in 1977 haunted students and staff at Honolulu's McKinley High School for nearly half a century.

Dawn Momohara was found dead in a building on her high school's campus in Honolulu. A suspect was arrested in a Utah nursing home.

Honolulu Police say modern forensic tests allowed them to identify and arrest a suspect in Dawn Momohara's 1977 murder.

Susie Chun Oakland was a sophomore when she arrived at McKinley High School in Honolulu – a crime scene – that Monday morning nearly a half-century ago. One of her teachers had just found the body of another student on the second floor of the English building,

The suspect in a 1977 case, Giddeon Castro, was arrested for sexually assaulting and strangling 16-year-old Dawn Momohara at McKinley High School.

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