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Utah judge orders release of suspect in 1977 Hawaii killing after prosecution stalls

A Utah judge has ordered the release of a 66-year-old suspect in the 1977 killing of a Hawaii teenager after prosecutors in Honolulu said they weren’t ready to proceed with a murder charge against him

The Associated Press
Thursday 13 March 2025 19:14 GMT

A Utah judge ordered the release of a 66-year-old suspect in the 1977 killing of a Hawaii teenager after prosecutors in Honolulu said they weren't ready to proceed with a murder charge against him.

Gideon Castro was arrested in January at a Utah nursing home on a fugitive warrant for suspicion of second-degree murder in the death of 16-year-old Dawn Momohara. He had waived the right to challenge his extradition during a hearing in Salt Lake City last month. Castro, who is ill, appeared by video from a jail hospital bed.

While he was still awaiting extradition, Honolulu prosecutors told their counterparts in Utah this week that they were not proceeding with the case against Castro because of “recent complications involving a material witness in this case and the state of the evidence.”

“Please understand we view this as only a temporary setback, and we remain fully committed to continuing our efforts to prosecute this matter in the near future," Kelsi Guerra, a deputy prosecuting attorney in Honolulu wrote in a Monday letter to Deputy Salt Lake County District Attorney Clifford Ross.

Utah District Court Judge John Nielsen ordered Castro's release Wednesday. Salt Lake County jail records no longer listed him as an inmate Thursday.

On March 21, 1977, shortly after 7:30 a.m., Honolulu police found the body of Momohara on the second floor of a school building. She was lying on her back, partially clothed with an orange cloth wrapped tightly around her neck and had been sexually assaulted and strangled, police said.

Police used advances in DNA technology to connect Castro to the killing. They had interviewed Castro and his brother in 1977. But they were unable to conclusively link Castro to the killing until obtaining DNA samples in recent years.

An attorney for Castro had said during a hearing last month in Salt Lake City that he intended to fight the charges upon his return to Hawaii, where jail records indicated he was still a resident.

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