Nearly five decades after a Honolulu teen’s body was discovered in her high school, DNA testing has led to the arrest of her ex-schoolmate for her brutal slaying. The body of Dawn Momohara,

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

Nearly a half-century after Dawn Momohara’s body was found, Gideon Castro, 66, was arrested in a Utah nursing home and charged with her murder.

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.

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,

SALT LAKE CITY (KUTV) — A suspect in a 1977 murder at a high school in Hawaii was arrested in Utah almost 48 years later. The arrest happened 7:40 a.m. Tuesday by Unified Police Department in Millcreek, Honolulu Police Department's Lt. Deena Thoemmes said.

Dawn Momohara was 16 years old and a student at McKinley High School in Honolulu when she was found murdered on March 21, 1977.

DNA testing has led to the arrest of a former classmate of a Hawaii high school sophomore who was found dead at the school on March 21, 1977. The Honolulu Police Department announced the arrest of Gideon Castro,

A man was arrested at a Utah nursing home on suspicion of second-degree murder in connection to a decades-old case from Hawaii.

Castro was arrested on suspicion of murder in the second degree at a nursing home Tuesday morning at 7:40 a.m. in Utah. Castro is awaiting extradition to Honolulu.

COURTESY HONOLULU POLICE DEPARTMENT Victim Dawn Momohara in 1977. 1 /2 COURTESY HONOLULU POLICE DEPARTMENT Victim Dawn Momohara in 1977. COURTESY HONOLULU POLICE DEPARTMENT A composite drawing of the suspect in the 1977 murder of Dawn Momohara.

HPD investigators flew to Utah and covertly acquired a DNA sample ... He told her he was in the U.S. Army Reserve and had come home to Honolulu. William Castro was also interviewed by police ...