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 (MP36332)
Dennis John Luttropp, aged 72, was last seen on November 2, 2010, in Oakland, California. At the time of his disappearance, Dennis was described as a Caucasian male, standing 5'4" tall and weighing around 130 pounds, with gray or partially gray hair. There has been little information regarding the circumstances of his disappearance, and no updates have surfaced in the years since he went missing.

Dennis's case remains open, and authorities continue to seek information regarding his whereabouts. He is listed in various missing person databases, including NamUs, which tracks missing persons across the United States. His family and law enforcement continue to appeal to the public for any tips that could help resolve the case. Despite ongoing efforts, no significant leads have been uncovered.

If you have any information, you are encouraged to contact the relevant authorities handling the case.

Last Seen: Nov 2, 2010

Links to Additional Sources (0)

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Possible Unidentified Matches (5)

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.

85%Strong
John Doe — San Francisco, California - unidentified case UP146034
John Doe — San Francisco, California
UP146034 • Found Jan 22, 2014
View case
Sex ✓Male
Age 100%Est. 68–82 vs 72 when missing
Race 100%White
Location 100%8 mi away, same state
TimingFound 3 years after last seen
Height 100%5'8" vs 5'4"–6'0"
Weight 100%83–150 lb vs 130–150 lb
Hair 100%Gray vs Gray
81%Moderate
John Doe — Milpitas, California - unidentified case UP59937
John Doe — Milpitas, California
UP59937 • Found Sep 29, 2018
View case
Sex ✓Male
Age 89%Est. 55–70 vs 72 when missing
Race 100%White
Location 94%33 mi away, same state
TimingFound 8 years after last seen
Height 100%5'11" vs 5'4"–6'0"
Weight 99%115 lb vs 130–150 lb
Hair 100%Gray vs Gray
81%Moderate
John Doe — Millbrae, California - unidentified case UP16409
John Doe — Millbrae, California
UP16409 • Found Feb 23, 2017
View case
Sex ✓Male
Age 85%Est. 60–80 vs 72 when missing
Race 100%White
Location 98%17 mi away, same state
TimingFound 6 years after last seen
Height 100%5'7" vs 5'4"–6'0"
Weight 100%120 lb vs 130–150 lb
Hair 100%Gray vs Gray
79%Possible
John Doe — San Francisco, California
UP91361 • Found Feb 5, 2022
View case
Sex ✓Male
Age 89%Est. 60–70 vs 72 when missing
Race 100%White
Location 99%12 mi away, same state
TimingFound 11 years after last seen
Height 100%5'9" vs 5'4"–6'0"
Weight 58%191 lb vs 130–150 lb
Hair 100%Gray vs Gray
78%Possible
John Doe — Alameda, California - unidentified case UP13077
John Doe — Alameda, California
UP13077 • Found Jun 14, 2011
View case
Sex ✓Male
Age 70%Est. 80–90 vs 72
Race 100%White
Location 100%2 mi away, same county
TimingFound 7 months after last seen
Height 84%5'2" vs 5'4"–6'0"
Weight 56%88 lb vs 130–150 lb
Hair 100%Gray vs Gray

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.