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 (MP17746) and 6 other sources
Helmut Ernst Altmann, a 31-year-old Austrian national, went missing on October 30, 1984, during a business trip to Beverly Hills, California. Altmann had traveled to Los Angeles in late October with plans to invest in local real estate. He checked into the Regent Beverly Wilshire Hotel on October 26, with a scheduled checkout date of October 31. His return to Austria was booked for November 2. However, Altmann was last seen in his hotel room on October 30, and he did not return home as planned.

Altmann was believed to have gone sightseeing in the Big Sur area on the day he disappeared, driving a rented white 1984 Chevrolet Camaro, which has also never been recovered. When his wife reported him missing on November 6, 1984, hotel staff discovered his room undisturbed, with his passport, money, clothing, and return airline ticket still inside. Despite these personal effects being left behind, Altmann has not been seen or heard from since, and authorities suspect foul play.

His disappearance remains unsolved, and both his case and the whereabouts of his rental vehicle are still mysteries. The Beverly Hills Police Department continues to investigate, treating the case as suspicious given the lack of evidence and the unresolved nature of his disappearance.

Last Seen: Oct 30, 1984

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.

84%Moderate
John Doe — Carson, California
UP4138 • Found Dec 9, 1986
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Sex ✓Male
Age 100%Est. 30–40 vs 31 when missing
Race 100%White
Location 98%17 mi away, same county
TimingFound 2 years after last seen
Height 84%6'0" vs 6'2"
Weight 100%180 lb vs 180 lb
Hair 100%Brown vs Brown
83%Moderate
John Doe — California
UP4094 • Found Feb 28, 1988
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Sex ✓Male
Age 94%Est. 35–45 vs 31 when missing
Race 100%White
Location 100%9 mi away, same county
TimingFound 3 years after last seen
Height 100%6'3" vs 6'2"
Weight 100%196 lb vs 180 lb
Hair 60%Black vs Brown
81%Moderate
John Doe — California
UP3872 • Found Jan 5, 1991
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Sex ✓Male
Age 80%Est. 40–60 vs 31 when missing
Race 100%White
Location 100%9 mi away, same county
TimingFound 6 years after last seen
Height 100%6'1" vs 6'2"
Weight 100%175 lb vs 180 lb
Hair 100%Brown vs Brown
Eyes 50%Blue vs Green
81%Moderate
John Doe — Walnut, California
UP3873 • Found Jan 4, 1991
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Sex ✓Male
Age 100%Est. 35–45 vs 31 when missing
Race 100%White
Location 94%31 mi away, same county
TimingFound 6 years after last seen
Height 100%6'1" vs 6'2"
Weight 87%150 lb vs 180 lb
Hair 50%Red vs Brown
Eyes 50%Blue vs Green
80%Moderate
John Doe — California
UP3941 • Found Oct 28, 1989
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Sex ✓Male
Age 100%Est. 24–36 vs 31 when missing
Race 100%White
Location 100%9 mi away, same county
TimingFound 5 years after last seen
Height 68%5'11" vs 6'2"
Weight 98%160 lb vs 180 lb
Hair 100%Brown vs Brown
Eyes 0%Brown vs Green
79%Possible
John Doe — South Gate, California
UP10986 • Found Oct 2, 2012
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Sex ✓Male
Age 100%Est. 28–38 vs 31 when missing
Race 100%White
Location 99%13 mi away, same county
TimingFound 28 years after last seen
Height 100%5'7"–6'1" vs 6'2"
Weight 94%157 lb vs 180 lb
Hair 60%Black vs Brown
79%Possible
John Doe — Pasadena, California
UP3957 • Found Aug 31, 1989
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Sex ✓Male
Age 77%Est. 23–29 vs 31 when missing
Race 100%White
Location 98%16 mi away, same county
TimingFound 5 years after last seen
Height 100%6'1" vs 6'2"
Weight 100%185 lb vs 180 lb
Hair 100%Brown vs Brown
Eyes 0%Brown vs Green
79%Possible
John Doe — Fullerton, California - unidentified case UP7662
John Doe — Fullerton, California
UP7662 • Found Nov 28, 1987
View case
Sex ✓Male
Age 100%Est. 30–45 vs 31 when missing
Race 100%White
Location 95%30 mi away, same state
TimingFound 3 years after last seen
Height 84%6'0" vs 6'2"
Weight 36%247 lb vs 180 lb
Hair 100%Brown vs Brown
Eyes 0%Brown vs Green
79%Possible
John Doe — California
UP4127 • Found Apr 10, 1987
View case
Sex ✓Male
Age 100%Est. 30–45 vs 31 when missing
Race 100%White
Location 100%9 mi away, same county
TimingFound 2 years after last seen
Height 52%5'10" vs 6'2"
Weight 98%160 lb vs 180 lb
Hair 100%Brown vs Brown
Eyes 0%Brown vs Green
79%Possible
John Doe — Marina del Rey, California
UP4185 • Found Oct 9, 1985
View case
Sex ✓Male
Age 100%Est. 25–35 vs 31
Race 100%White
Location 100%6 mi away, same county
TimingFound 11 months after last seen
Height 52%5'10" vs 6'2"
Weight 81%145 lb vs 180 lb
Hair 100%Brown vs Brown
Eyes 0%Brown vs Green

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.