Crime Solvers Central
Crime Solvers Central
302 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Mark Leese missing person case profile photo

Mark Leese Missing Person Case

Last seen in Pt Reyes Station, California on May 31, 1990

Create Press Release
Create Social Post
Create Flyer

Victim Details

Aug 12, 2011

Nov 11, 2022

Mark

Leese

65

29

71 inches

160 lbs

White / Caucasian

Male

May 31, 1990

Pt Reyes Station

California

Marin County

10608

Marin County Sheriff's Office

San Rafael

California

Marin County

94903

1600 Los Gamos Drive #200, California

4154737250

County

Law Enforcement

https://www.marinsheriff.org/

SO90-2913

Aug 12, 2011

Marin County Sheriff's Office

Brown

Brown

Brown

Oct 11, 2026


Area Last Seen:

Case Description

Any updates on this case? Let us know!
Summary based on the NamUs case record (MP11979) and 2 other sources
Mark Leese, 29, was last seen on May 31, 1990, in Pt Reyes Station, California. His case remains unsolved, and little is known about the circumstances leading to his disappearance. Mark's case is listed with the National Missing and Unidentified Persons System (NamUs), but no significant updates have surfaced since he went missing. Authorities continue to seek any leads or information that could help shed light on his whereabouts. The investigation remains open, and the public is encouraged to provide any information.
Last Seen: May 31, 1990

Links to Additional Sources (2)

See any mistakes? Let us know!
  • Missing Person / NamUs #MP11979
  • Browse Subjects - The University of Chicago Photographic Archive

    • Possible Unidentified Matches (10)

    Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

    85%Strong
    John Doe — San Francisco, California
    UP5935 • Found Jan 18, 1993
    View case
    Sex ✓Male
    Age 100%Est. 30–45 vs 29 when missing
    Race 100%White
    Location 95%29 mi away, same state
    TimingFound 3 years after last seen
    Height 100%5'10" vs 5'11"
    Weight 100%165 lb vs 160 lb
    Hair 60%Black vs Brown
    Eyes 100%Brown vs Brown
    84%Moderate
    John Doe — California - unidentified case UP17689
    John Doe — California
    UP17689 • Found May 10, 1998
    View case
    Sex ✓Male
    Age 100%Est. 20–30 vs 29 when missing
    Race 100%White
    Location 100%3 mi away, same county
    TimingFound 8 years after last seen
    Height 84%5'9" vs 5'11"
    Weight 100%170 lb vs 160 lb
    Hair 100%Brown vs Brown
    Eyes 100%Brown vs Brown
    82%Moderate
    John Doe — Sausalito, California
    UP7082 • Found Aug 21, 2007
    View case
    Sex ✓Male
    Age 100%Est. 25–35 vs 29 when missing
    Race 100%White
    Location 97%23 mi away, same county
    TimingFound 17 years after last seen
    Height 100%5'10" vs 5'11"
    Weight 100%160 lb vs 160 lb
    Hair 100%Brown vs Brown
    Eyes 60%Hazel vs Brown
    80%Moderate
    John Doe — Guerneville, California
    UP79380 • Found Jul 18, 1995
    View case
    Sex ✓Male
    Age 100%Est. 25–35 vs 29 when missing
    Race 100%White
    Location 94%32 mi away, same state
    TimingFound 5 years after last seen
    Height 84%5'5"–5'9" vs 5'11"
    Hair 100%Brown vs Brown
    79%Possible
    John Doe — Palo Alto, California - unidentified case UP127061
    John Doe — Palo Alto, California
    UP127061 • Found May 23, 1994
    View case
    Sex ✓Male
    Age 85%Est. 30–50 vs 29 when missing
    Race 100%White
    Location 87%59 mi away, same state
    TimingFound 4 years after last seen
    Height 84%5'7"–5'9" vs 5'11"
    Weight 100%157–172 lb vs 160 lb
    Hair 60%Black vs Brown
    Eyes 100%Brown vs Brown
    79%Possible
    John Doe — Brisbane, California - unidentified case UP12987
    John Doe — Brisbane, California
    UP12987 • Found Sep 17, 2014
    View case
    Sex ✓Male
    Age 100%Est. 20–35 vs 29 when missing
    Race 100%White
    Location 94%34 mi away, same state
    TimingFound 24 years after last seen
    Height 100%6'0" vs 5'11"
    Weight 100%175 lb vs 160 lb
    79%Possible
    John Doe — Sausalito, California
    UP12220 • Found May 15, 2013
    View case
    Sex ✓Male
    Age 100%Est. 45–60 vs 29 when missing
    Race 100%White
    Location 97%23 mi away, same county
    TimingFound 23 years after last seen
    Height 100%6'0" vs 5'11"
    Weight 95%180 lb vs 160 lb
    79%Possible
    John Doe — Burlingame, California
    UP9898 • Found Oct 5, 1995
    View case
    Sex ✓Male
    Age 100%Est. 33–46 vs 29 when missing
    Race 100%White
    Location 91%42 mi away, same state
    TimingFound 5 years after last seen
    Height 52%5'7" vs 5'11"
    Weight 98%142 lb vs 160 lb
    Hair 100%Brown vs Brown
    Eyes 100%Brown vs Brown
    78%Possible
    John Doe — San Francisco, California
    UP91361 • Found Feb 5, 2022
    View case
    Sex ✓Male
    Age 100%Est. 60–70 vs 29 when missing
    Race 100%White
    Location 96%26 mi away, same state
    TimingFound 32 years after last seen
    Height 84%5'9" vs 5'11"
    Weight 81%191 lb vs 160 lb
    Hair 70%Gray vs Brown
    Eyes 100%Brown vs Brown
    78%Possible
    John Doe — Forestville, California
    UP93104 • Found Dec 31, 1994
    View case
    Sex ✓Male
    Age 88%Est. 35–45 vs 29 when missing
    Race 100%White
    Location 95%28 mi away, same state
    TimingFound 5 years after last seen
    Height 100%5'11"–6'1" vs 5'11"

    These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.

    Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.

    Latest News

    View All

    Forum Posts (1)

    Mark Leese was 29 when he was last seen on May 31, 1990, in Pt Reyes Station, California. His case... ...Read More
    08/07/2024

    Other Missing Cases from California

    Kento Juarez Kashiwakura missing person case in South El Monte, California

    Kento Juarez Kashiwakura

    Missing: Feb 6, 2019
    Kento Juarez Kashiwakura, a biracial male of Asian and Hispanic descent, was last seen on February ...Read More
    Arvin Walter Nelson missing person case in Los Padres National Forest, California

    Arvin Walter Nelson

    Missing: Aug 6, 2014
    On August 6, 2014, Arvin Walter Nelson, a 51-year-old experienced hiker, was reported missing in the ...Read More
    Christopher Brownlee Thomson missing person case in Los Gatos, California

    Christopher Brownlee Thomson

    Missing: Sep 1, 1995
    Christopher Brownlee Thomson, a 37-year-old man, was last seen in Los Gatos, California on September ...Read More
    Carlos Garcia missing person case in Lodi, California

    Carlos Garcia

    Missing: Aug 24, 2025
    An urgent search is underway for 15-year-old Carlos Garcia, who was last seen in Lodi, California ...Read More
    Orin Caledin Caldorien Miller missing person case in Humboldt County, California

    Orin Caledin Caldorien Miller

    Missing: Jul 26, 2024
    Orin Caledin Caldorien Miller, a 25-year-old man, was last seen on July 26, 2024, in Humboldt ...Read More
    Geoffrey Adair missing person case in Santa Rosa, California

    Geoffrey Adair

    Missing: Dec 17, 2005
    Geoffrey Penfield Adair, 29 years old at the time, was last seen in the early morning hours of ...Read More
    Jimmy Morgonberg missing person case in Riverside, California

    Jimmy Morgonberg

    Missing: Dec 1, 2013
    Jimmy Morgonberg, a 75-year-old Asian male, was last seen in Riverside, California on December 1 ...Read More