Hawaii
Schoolmate arrested in Hawaii girl’s 1977 murder released from Utah jail as prosecution stalls
A 66-year-old suspect in the 1977 killing of a Hawaii teenager was released from a Utah jail on Thursday 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 hospital bed.
While Castro was still awaiting extradition, Honolulu prosecutors told their counterparts in Utah this week that they were not proceeding against him 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 late Wednesday afternoon. He was released Thursday, said Chris Bronson, spokesperson for the Salt Lake County Sheriff’s Office.
On March 21, 1977, shortly after 7:30 a.m., Honolulu police found the body of Momohara on the second floor of a building at McKinley High School. Momohara was partially clothed and lying on her back with an orange cloth tied around her neck, said Lt. Deena Thoemmes, of Honolulu Police. A subsequent autopsy ruled Momohara was strangled to death, and the medical examiner said there were signs of sexual assault.
Castro graduated from the Honolulu school in 1976.
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 he is still a resident, according to jail records. It is unclear how long Castro had been in Utah when he was arrested at the nursing home in Millcreek, just south of Salt Lake City.
A McKinley High School graduate who was the school’s band teacher at the time of Momohara’s death said he was disappointed to learn of Castro’s release.
“I guess they’ve got to make sure they have a rock-solid case,” Grant Okamura said.
“In a sense I’m disappointed that they couldn’t at least go to trial but I can understand their nervousness that they don’t want to just haphazardly go into something and have it thrown out.”
Authorities in Hawaii said Thursday that they were continuing with their investigation into Momohara’s killing. No further information was being released at this time, Honolulu police spokesperson Michelle Yu said.
Following Momohara’s death, police released sketches of a person of interest and a possible vehicle described by witnesses as a 1974 or 1975 Pontiac LeMans. But they were unable to identify a suspect, and the case grew cold.
Several days after Momohara was killed, detectives interviewed Castro. He said he met Momohara at a school dance that year and last saw her at a carnival on campus in February 1977. Police interviewed his brother, who also met Momohara at the dance
In November 2023, Honolulu police went to Chicago, where the brother was living. They “surreptitiously” obtained DNA from one of the brother’s adult children, police said.
Lab findings excluded the brother as a suspect, but a DNA sample from Castro’s adult son, and later from Castro himself, proved he was responsible, police said.
Castro was arrested last month at the nursing home where he had been living in Millcreek, just south of Salt Lake City, on a fugitive warrant for suspicion of second-degree murder. Jail records indicate he is still a resident of Hawaii, and it is unclear how long he had been living in Utah.
Hawaii
Hawaii County Surf Forecast for March 04, 2026 | Big Island Now
Forecast for Big Island Windward and Southeast
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| North Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| East Facing | 3-5 | 4-6 | 4-6 | 5-7 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly cloudy. Numerous showers. | ||||||
|---|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | ||||||
| Winds | East winds 5 to 10 mph. | ||||||
|
|||||||
| Weather | Partly sunny. Numerous showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the upper 70s. | |||||
| Winds | East winds 10 to 15 mph. | |||||
|
||||||
| Sunrise | 6:37 AM HST. | |||||
| Sunset | 6:27 PM HST. | |||||
Forecast for Big Island Leeward
| Shores | Tonight | Wednesday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| PM | AM | AM | PM | |
| West Facing | 2-4 | 2-4 | 2-4 | 1-3 |
| South Facing | 1-3 | 1-3 | 1-3 | 1-3 |
| Weather | Mostly sunny until 6 PM, then mostly cloudy. Hazy. |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Low Temperature | In the upper 60s. | ||||||||||
| Winds | West winds around 5 mph early in the afternoon, becoming light and variable. |
||||||||||
|
|||||||||||
| Weather | Partly sunny. Hazy. | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | ||||||||
| Winds | Light and variable winds, becoming west around 5 mph in the afternoon. |
||||||||
|
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| Sunrise | 6:41 AM HST. | ||||||||
| Sunset | 6:31 PM HST. | ||||||||
The current moderate northwest swell will continue a gradual decline through Thursday. A small west-northwest swell will arrive on Friday and hold through the weekend, followed by a small north-northwest swell early next week. Choppy east shore surf will build to near seasonal average by Wednesday as trade winds strengthen over and east of the islands. Little change is expected along east facing shores through the weekend, followed by a possible decline early next week if winds veer southerly. Surf along south facing shores will remain small to tiny through the weekend, and some islands may an increase in choppy surf if southerly winds develop early next week.
NORTH EAST
am
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi choppy with ESE winds 5-10mph in the morning increasing to 10-15mph in the afternoon.
NORTH WEST
am
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the early morning with ESE winds less than 5mph. Bumpy/semi bumpy conditions move in during the morning hours with the winds shifting W 5-10mph.
WEST
am
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Semi glassy in the morning with N winds less than 5mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting WNW 5-10mph.
SOUTH EAST
am
pm
Surf: Minimal (ankle high or less) surf.
Conditions: Light sideshore texture in the morning with NE winds 10-15mph. This becomes Sideshore texture/chop for the afternoon.
Data Courtesy of NOAA.gov and SwellInfo.com
Hawaii
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Hawaii
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