Crime Solvers Central
Crime Solvers Central
298 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP29025) and 4 other sources
David Arthur Preston, a 30-year-old man, was last seen on May 10, 1988, in Union City, California. Preston disappeared under suspicious circumstances, and foul play is suspected in his case. At the time of his disappearance, he was described as 6'3" tall, weighing between 175 and 200 pounds, with blond hair and blue eyes. He had distinctive tattoos, including an eagle on his right arm, as well as a vertical scar on his right knee. Despite investigations, no substantial leads have surfaced, and he has not been heard from since.

Preston’s case remains classified as endangered missing, with authorities continuing to seek information. His details have been entered into several databases, including NamUs, where efforts to resolve his case are still active.

Last Seen: May 10, 1988

Possible Unidentified Matches (9)

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.

78%Possible
John Doe — San Francisco, California
UP5927 • Found Oct 2, 1989
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Sex ✓Male
Age 85%Est. 30–50 vs 30 when missing
Race 100%White
Location 96%24 mi away, same state
TimingFound 17 months after last seen
Height 68%6'0" vs 6'3"
Weight 100%205 lb vs 175–200 lb
Hair 50%Brown vs Blond
77%Possible
John Doe — Berkeley, California - unidentified case UP12992
John Doe — Berkeley, California
UP12992 • Found Nov 2, 2010
View case
Sex ✓Male
Age 100%Est. 50–60 vs 30 when missing
Race 100%White
Location 97%22 mi away, same county
TimingFound 22 years after last seen
Height 68%6'0" vs 6'3"
Weight 53%117 lb vs 175–200 lb
Hair 70%Gray vs Blond
Eyes 100%Blue vs Blue
76%Possible
John Doe — Napa, California
UP69733 • Found Dec 14, 2007
View case
Sex ✓Male
Age 100%Est. 28–42 vs 30 when missing
Race 100%White
Location 89%50 mi away, same state
TimingFound 20 years after last seen
Height 100%6'0"–6'3" vs 6'3"
76%Possible
John Doe — Tiburon, California
UP17709 • Found Feb 28, 1993
View case
Sex ✓Male
Age 100%Est. 25–40 vs 30 when missing
Race 100%White
Location 95%30 mi away, same state
TimingFound 5 years after last seen
76%Possible
John Doe — Brisbane, California - unidentified case UP12987
John Doe — Brisbane, California
UP12987 • Found Sep 17, 2014
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Sex ✓Male
Age 100%Est. 20–35 vs 30 when missing
Race 100%White
Location 97%21 mi away, same state
TimingFound 26 years after last seen
Height 68%6'0" vs 6'3"
Weight 100%175 lb vs 175–200 lb
75%Possible
John Doe — Forestville, California
UP93104 • Found Dec 31, 1994
View case
Sex ✓Male
Age 100%Est. 35–45 vs 30 when missing
Race 100%White
Location 82%76 mi away, same state
TimingFound 7 years after last seen
Height 84%5'11"–6'1" vs 6'3"
75%Possible
John Doe — Sausalito, California
UP17718 • Found Sep 9, 1990
View case
Sex ✓Male
Age 77%Est. 35–45 vs 30 when missing
Race 100%White
Location 95%30 mi away, same state
TimingFound 2 years after last seen
Height 52%5'11" vs 6'3"
Weight 100%160 lb vs 175–200 lb
Hair 50%Brown vs Blond
Eyes 70%Gray vs Blue
75%Possible
John Doe — Sausalito, California
UP12220 • Found May 15, 2013
View case
Sex ✓Male
Age 100%Est. 45–60 vs 30 when missing
Race 100%White
Location 95%30 mi away, same state
TimingFound 25 years after last seen
Height 68%6'0" vs 6'3"
Weight 100%180 lb vs 175–200 lb
75%Possible
John Doe — Antioch, California - unidentified case UP10735
John Doe — Antioch, California
UP10735 • Found Oct 15, 2005
View case
Sex ✓Male
Age 85%Est. 45–65 vs 30 when missing
Race 100%White
Location 94%31 mi away, same state
TimingFound 17 years after last seen
Height 84%6'1" vs 6'3"
Weight 84%141 lb vs 175–200 lb
Hair 50%Brown vs Blond

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.