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

Antero Leinonen Missing Person Case

Last seen in Haleiwa, Hawaii on Mar 13, 1990

Victim Details

Created

Aug 18, 2026

Case Added

Aug 19, 2026

Firstname

Antero

Lastname

Leinonen

Current Age

Age At Disappearance

Height

72 inches

Weight

175 lbs

Ethnicity

White / Caucasian

Gender

Male

Last Seen

Mar 13, 1990

City

Haleiwa

State

Hawaii

County

Honolulu County

Zip Code

96712

Tribal Land

Agency ID

201288

Agency Name

Honolulu Police Department

Agency City

Honolulu

Agency State

Hawaii

Agency County

Honolulu County

Agency Zip Code

96813

Agency Contact

Michael Garcia

Contact Job Title

Detective

Agency Address

801 South Beretania Street, Hawaii

Agency Phone

8085293111

Agency Jurisdiction

Local

Agency Type

Law Enforcement

Agency Website

http://www.honolulupd.org

Agency Case #

90-098536

Agency Report Date

1990-03-13

Primary Agency

Honolulu Police Department

Hair Color

Brown

Left Eye Color

Blue

Right Eye Color

Blue

Last Updated

08/25/2026

Area Last Seen:

Case Description

Any updates on this case? Let us know!

On March 13, 1990, a vacation to the idyllic shores of Oahu, Hawaii, took a tragic turn for a German couple. Antero Leinonen, a 46-year-old man, and his wife were enjoying a day at the world-renowned Waimea Beach Park on the island's famous North Shore. While his wife stayed on the beach, Antero, dressed in white and blue swim shorts, stood along the shoreline. He was seen diving into the powerful incoming waves, a seemingly normal act for a beachgoer, but he never resurfaced. What was mean ...

MEMBER ACCESS

Continue reading the complete case summary

Unlock the full case narrative for Antero Leinonen, all available source links, additional videos, and member discussions.

Unlock Full Case Access — $3.97/month

Cancel anytime.
Already a member? Log in

Last Seen: Mar 13, 1990

Links to Additional Sources (0)

See any mistakes? Let us know!

Antero Leinonen Missing Person Case

Last seen in Haleiwa, Hawaii on Mar 13, 1990

Victim Details

Case Description

Continue reading the complete case summary

Links to Additional Sources (0)

Latest News

Remains of Sara Reynolds Found in New Milford Township

College student shot by police after knocking on wrong door, investigation underway

Disturbing past of 15 year old accused of gunning down teen at high school game as he faces murder charges

MP of the week: Eduardo Acosta Soriano

The Disappearance of Scott Scarberry

Key moments from Lindsay Clancy's trial as jury weighs the case

Homeless Florida woman arrested for trespassing at Mar-a-Lago — again

The Disappearance of Angelica Brophy

A wife is accused of her husband's murder. Can she clear her name?

SoCal coastal enclave makes stunning call on controversial Flock cameras

Forum Posts (0)

Join the discussion for Antero Leinonen

Other Missing Cases from Haleiwa, Hawaii