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251 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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In the summer of 2015, a sense of concern fell over the community of Captain Cook on the Big Island of Hawaii as family members of 20-year-old Tristan Postadan grew worried about his welfare. Tristan, a Caucasian male standing at 6-foot-2 and weighing 180 pounds with brown hair and brown eyes, had not been in contact, prompting his family to report him missing. The last known sighting of Tristan was in the Captain Cook area, a detail that would soon focus the search efforts on a specific, well-k ...Read More
Last Seen: Aug 07, 2015

Victim Details

Oct 29, 2015

Jul 26, 2019

Tristan

Postadan

29

20

74 inches

180 lbs

White / Caucasian

Male

Aug 07, 2015

Captain Cook

Hawaii

Hawaii County

96704

17426

Hawaii Police Department

Hilo

Hawaii

Hawaii County

96720

Walter Ah Mow

Detective

349 Kapiolani Street, Hawaii

8089353311

County

Law Enforcement

C15023100

2015-08-07

Hawaii Police Department

Brown

Brown

Brown

06/04/2026


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