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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 (MP127149) and 2 other sources
Steve Marc Schmidt-Sinnott, a 26-year-old man, was last seen on March 3, 1997, in Olivehurst, California. At the time of his disappearance, he was visiting his father in Yuba County, having come from Washington state in mid-January. On the afternoon of March 3, Schmidt-Sinnott was last seen in the West Linda area, but he did not return to his father's home. His vehicle was left behind at the residence.

Steve is known to have frequented several counties in California, including Yuba, Placer, and Sacramento. He was last seen wearing a black leather jacket, blue jeans, and white tennis shoes. Standing at 5'10" and weighing about 160 pounds, Steve had brown hair and brown eyes. Despite ongoing efforts by authorities, including the Yuba County Sheriff’s Department, his whereabouts remain unknown, and the case remains unsolved. Anyone with information is urged to contact law enforcement.
Last Seen: Mar 3, 1997

Links to Additional Sources (2)

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Possible Unidentified Matches (7)

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.

83%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 26 when missing
Race 100%White
Location 76%96 mi away, same state
TimingFound 14 months after last seen
Height 100%5'9" vs 5'10"
Weight 100%170 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
81%Moderate
John Doe — California - unidentified case UP2363
John Doe — California
UP2363 • Found Mar 9, 2003
View case
Sex ✓Male
Age 100%Est. 30–45 vs 26 when missing
Race 100%White
Location 91%44 mi away, same state
TimingFound 6 years after last seen
Height 100%5'11" vs 5'10"
Hair 100%Brown vs Brown
78%Possible
John Doe — Stockton, California - unidentified case UP50599
John Doe — Stockton, California
UP50599 • Found Jul 12, 1997
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Sex ✓Male
Age 100%Est. 20–30 vs 26
Race 100%White
Location 81%80 mi away, same state
TimingFound 4 months after last seen
Height 68%5'7" vs 5'10"
Weight 89%135 lb vs 160 lb
Hair 60%Black vs Brown
78%Possible
John Doe — Sausalito, California
UP7082 • Found Aug 21, 2007
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Sex ✓Male
Age 100%Est. 25–35 vs 26 when missing
Race 100%White
Location 75%99 mi away, same state
TimingFound 10 years after last seen
Height 100%5'10" vs 5'10"
Weight 100%160 lb vs 160 lb
Hair 100%Brown vs Brown
Eyes 60%Hazel vs Brown
76%Possible
John Doe — Turlock, California
UP50957 • Found Jul 11, 2001
View case
Sex ✓Male
Age 100%Est. 30–45 vs 26 when missing
Race 100%White
Location 72%117 mi away, same state
TimingFound 4 years after last seen
Height 68%5'7" vs 5'10"
Weight 100%130–180 lb vs 160 lb
Hair 100%Brown vs Brown
75%Possible
John Doe — Laytonville, California
UP79682 • Found Apr 14, 2000
View case
Sex ✓Male
Age 92%Est. 30–45 vs 26 when missing
Race 100%White
Location 73%111 mi away, same state
TimingFound 3 years after last seen
Height 100%5'10"–6'0" vs 5'10"
75%Possible
John Doe — Tiburon, California
UP7084 • Found Aug 20, 1999
View case
Sex ✓Male
Age 100%Est. 28–40 vs 26 when missing
Race 100%White
Location 76%97 mi away, same state
TimingFound 2 years after last seen
Height 52%5'6" vs 5'10"
Weight 83%130 lb vs 160 lb
Hair 100%Brown vs Brown

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.