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 (MP17801) and 3 other sources
Robert Thomas Bergner, aged 42, was last seen on March 1, 2011, in Santa Cruz, California. He had been in contact with his family in early March, but after that, no further communication was made, and he has not been heard from since. At the time of his disappearance, Bergner was described as a Caucasian male, approximately 5'9" to 5'11" tall, weighing between 150 to 160 pounds. He had brown hair, often worn in a long ponytail, and blue eyes. He typically wore plaid flannel shirts, plain t-shirts, Levi's jeans, and either sandals or brown boots. He was known to wear eyeglasses regularly.

Despite ongoing efforts to locate him, no substantial leads have emerged regarding his whereabouts. Bergner's case remains open and is being handled by the Santa Cruz Police Department. His family and law enforcement continue to seek any information that could provide insight into his disappearance.

Last Seen: Mar 1, 2011

Possible Unidentified Matches (6)

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.

80%Moderate
John Doe — Sausalito, California
UP12220 • Found May 15, 2013
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Sex ✓Male
Age 95%Est. 45–60 vs 42 when missing
Race 100%White
Location 85%66 mi away, same state
TimingFound 2 years after last seen
Height 100%6'0" vs 5'9"–5'11"
Weight 94%180 lb vs 150–160 lb
78%Possible
John Doe — Milpitas, California
UP72156 • Found Jun 14, 2018
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Sex ✓Male
Age 95%Est. 50–60 vs 42 when missing
Race 100%White
Location 94%32 mi away, same state
TimingFound 7 years after last seen
Height 100%5'7"–5'11" vs 5'9"–5'11"
78%Possible
John Doe — San Francisco, California - unidentified case UP146037
John Doe — San Francisco, California
UP146037 • Found Oct 10, 2014
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Sex ✓Male
Age 85%Est. 48–62 vs 42 when missing
Race 100%White
Location 87%57 mi away, same state
TimingFound 4 years after last seen
Height 100%5'5"–5'9" vs 5'9"–5'11"
Weight 90%127 lb vs 150–160 lb
Hair 40%Gray vs Brown
77%Possible
John Doe — San Francisco, California - unidentified case UP146018
John Doe — San Francisco, California
UP146018 • Found Jan 18, 2014
View case
Sex ✓Male
Age 80%Est. 48–62 vs 42 when missing
Race 100%White
Location 87%58 mi away, same state
TimingFound 3 years after last seen
Height 100%5'8" vs 5'9"–5'11"
Weight 86%186 lb vs 150–160 lb
Hair 40%Gray vs Brown
75%Possible
John Doe — Fresno, California - unidentified case UP128534
John Doe — Fresno, California
UP128534 • Found Jan 4, 2024
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Sex ✓Male
Age 100%Est. 48–62 vs 42 when missing
Race 100%White
Location 70%125 mi away, same state
TimingFound 13 years after last seen
Height 100%5'6"–5'8" vs 5'9"–5'11"
Weight 88%115–125 lb vs 150–160 lb
Hair 70%Gray vs Brown
75%Possible
John Doe — San Jose, California - unidentified case UP57876
John Doe — San Jose, California
UP57876 • Found Oct 15, 2017
View case
Sex ✓Male
Age 100%Est. 48–62 vs 42 when missing
Race 100%White
Location 95%27 mi away, same state
TimingFound 7 years after last seen
Height 100%5'11" vs 5'9"–5'11"
Weight 0%260 lb vs 150–160 lb
Hair 40%Gray vs Brown
Eyes 0%Brown vs Blue

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.