Crime Solvers Central
Crime Solvers Central
302 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 (MP37753) and 4 other sources
David Mark Schwarzschild, a 21-year-old man from San Francisco, California, was last seen on August 2, 1979. Standing between 5'9" and 5'10" and weighing approximately 160 pounds, David had brown hair and hazel eyes. He disappeared without a trace, and very few details about the circumstances surrounding his disappearance have surfaced over the years.

Schwarzschild's case remains a mystery, and despite the passage of time, no significant leads have emerged to explain his disappearance. His case is listed with both the San Francisco Police Department and NamUs, a national missing persons database, but there has been no known progress in solving the case. His family continues to hope for answers.

At the time of his disappearance, David may have used the aliases "David Black" or "Mark Black." There is speculation about his fate, but nothing has been confirmed. His disappearance remains unsolved, with no new developments reported in recent years.

Last Seen: Aug 2, 1979

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.

86%Strong
John Doe — San Francisco, California
UP5872 • Found Oct 16, 1981
View case
Sex ✓Male
Age 100%Est. 20–30 vs 21 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 2 years after last seen
Height 100%5'10" vs 5'9"–5'10"
Weight 100%153 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 60%Brown vs Hazel
84%Moderate
John Doe — Berkeley, California - unidentified case UP53302
John Doe — Berkeley, California
UP53302 • Found Mar 19, 1985
View case
Sex ✓Male
Age 100%Est. 20–30 vs 21 when missing
Race 100%White
Location 100%10 mi away, same state
TimingFound 6 years after last seen
Height 100%5'10" vs 5'9"–5'10"
Weight 91%137 lb vs 160 lb
Hair 100%Brown vs Brown
84%Moderate
John Doe — Sacramento, California
UP2404 • Found May 12, 1982
View case
Sex ✓Male
Age 100%Est. 20–30 vs 21 when missing
Race 100%White
Location 91%45 mi away, same state
TimingFound 3 years after last seen
Height 100%5'10" vs 5'9"–5'10"
Weight 100%145 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 60%Brown vs Hazel
83%Moderate
John Doe — Sausalito, California
UP7082 • Found Aug 21, 2007
View case
Sex ✓Male
Age 100%Est. 25–35 vs 21 when missing
Race 100%White
Location 100%7 mi away, same state
TimingFound 28 years after last seen
Height 100%5'10" vs 5'9"–5'10"
Weight 100%160 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 100%Hazel vs Hazel
82%Moderate
John Doe — Oakland, California
UP54081 • Found Dec 12, 1986
View case
Sex ✓Male
Age 100%Est. 25–40 vs 21 when missing
Race 100%White
Location 100%8 mi away, same state
TimingFound 7 years after last seen
Height 100%5'9" vs 5'9"–5'10"
Weight 37%219 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 60%Brown vs Hazel
82%Moderate
John Doe — San Francisco, California
UP5935 • Found Jan 18, 1993
View case
Sex ✓Male
Age 100%Est. 30–45 vs 21 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 13 years after last seen
Height 100%5'10" vs 5'9"–5'10"
Weight 100%165 lb vs 160 lb
Hair 60%Black vs Brown
Eyes 60%Brown vs Hazel
82%Moderate
John Doe — San Francisco, California
UP5905 • Found Nov 30, 1984
View case
Sex ✓Male
Age 85%Est. 18–35 vs 21 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 5 years after last seen
Height 100%5'11" vs 5'9"–5'10"
Weight 91%137 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 60%Brown vs Hazel
82%Moderate
View case
Sex ✓Male
Age 85%Est. 20–40 vs 21 when missing
Race 100%White
Location 100%7 mi away, same state
TimingFound 5 years after last seen
Height 100%5'10" vs 5'9"–5'10"
Weight 95%180 lb vs 160 lb
Hair 100%Brown vs Brown
82%Moderate
John Doe — San Francisco, California
UP5866 • Found May 30, 1980
View case
Sex ✓Male
Age 85%Est. 20–40 vs 21
Race 100%White
Location 100%Same area, same county
TimingFound 10 months after last seen
Height 100%5'11" vs 5'9"–5'10"
Weight 95%140 lb vs 160 lb
81%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 21 when missing
Race 100%White
Location 95%28 mi away, same state
TimingFound 19 years after last seen
Height 100%5'9" vs 5'9"–5'10"
Weight 100%170 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 60%Brown vs Hazel

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.

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