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 (MP36523) and 5 other sources
Adam Paul Kaplan, a 24-year-old man, was last seen on December 28, 2007, in Contra Costa County, California. At the time of his disappearance, Kaplan stood 5'11", weighed approximately 175 pounds, and had brown hair and hazel eyes. Few details surrounding his case have been made public, but it is noted that Kaplan disappeared without any indication of his whereabouts, and he has not been heard from since.

Authorities from the Contra Costa County Sheriff's Department continue to investigate his case. Despite ongoing efforts, there has been no substantial information regarding what might have happened to Kaplan. His disappearance remains a mystery, and his family and investigators continue to seek any leads that could help resolve his case.

Anyone with relevant information is encouraged to contact the Contra Costa County Sheriff's Department.

Last Seen: Dec 28, 2007

Possible Unidentified Matches (3)

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.

81%Moderate
John Doe — Brisbane, California - unidentified case UP12987
John Doe — Brisbane, California
UP12987 • Found Sep 17, 2014
View case
Sex ✓Male
Age 100%Est. 20–35 vs 24 when missing
Race 100%White
Location 95%30 mi away, same state
TimingFound 7 years after last seen
Height 100%6'0" vs 5'11"
Weight 100%175 lb vs 175 lb
75%Possible
John Doe — Suisun City, California
UP115237 • Found Jun 28, 2023
View case
Sex ✓Male
Age 100%Est. 18–25 vs 24 when missing
Race 100%White
Location 95%28 mi away, same state
TimingFound 15 years after last seen
Height 75%5'3"–5'11" vs 5'11"
Hair 60%Black vs Brown
75%Possible
John Doe — Napa, California
UP69733 • Found Dec 14, 2007
View case
Sex ✓Male
Age 60%Est. 28–42 vs 24
Race 100%White
Location 93%37 mi away, same state
TimingFound same day as last seen
Height 100%6'0"–6'3" vs 5'11"

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.