206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case? Let us know!
Thad Fumio Sugai, a 26-year-old officer with the Hawaii State Security Division, was tragically killed on December 20, 1983, while responding to a disturbance at Diamond Head Crater in Honolulu, Hawaii.

Hikers in the crater had reported a naked man behaving erratically, throwing rocks, and jumping on cars. The man, believed to be under the influence of drugs, then entered a secured Hawaii National Guard facility within the crater. Officer Sugai responded to the scene and was immediately a ...Read More
Victim Details

Thad Fumio Sugai

Male

Hawaiian Native

Honolulu

HI

1983-12-20

26

Thad

Fumio Sugai

Yes

11/05/2025