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 (MP51978) and 5 other sources
Abraham Joseph Volker, a 30-year-old man, was last seen on April 30, 2005, in Sacramento, California. Volker had just been released from the Sacramento County Jail, and after that, he disappeared without a trace. At the time of his disappearance, Volker was homeless and relied on social services for assistance. His last benefit check, issued on May 5, went unclaimed, which raised concerns about his well-being. Volker also wore a prosthetic left leg below the knee, which distinguished him.

Despite initial investigations, few details have emerged about his whereabouts. His case remains open, and authorities continue to seek any information that might help solve his disappearance. The Sacramento Police Department encourages anyone with information to come forward. As of now, there have been no significant leads in his case, and it remains a mystery.
Last Seen: Apr 30, 2005

Possible Unidentified Matches (4)

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 — Wilton, California - unidentified case UP16897
John Doe — Wilton, California
UP16897 • Found Apr 2, 2012
View case
Sex ✓Male
Age 85%Est. 25–45 vs 30 when missing
Race 100%White
Location 97%21 mi away, same county
TimingFound 7 years after last seen
Height 100%5'5" vs 5'6"–5'8"
Weight 98%151 lb vs 170–180 lb
Hair 60%Black vs Brown
Eyes 100%Brown vs Brown
81%Moderate
John Doe — Sausalito, California
UP7082 • Found Aug 21, 2007
View case
Sex ✓Male
Age 100%Est. 25–35 vs 30 when missing
Race 100%White
Location 83%73 mi away, same state
TimingFound 2 years after last seen
Height 84%5'10" vs 5'6"–5'8"
Weight 100%160 lb vs 170–180 lb
Hair 100%Brown vs Brown
Eyes 60%Hazel vs Brown
75%Possible
John Doe — Napa, California
UP69733 • Found Dec 14, 2007
View case
Sex ✓Male
Age 100%Est. 28–42 vs 30 when missing
Race 100%White
Location 90%47 mi away, same state
TimingFound 3 years after last seen
Height 52%6'0"–6'3" vs 5'6"–5'8"
75%Possible
John Doe — Westley, California
UP11031 • Found Jun 15, 2006
View case
Sex ✓Male
Age 100%Est. 18–30 vs 30 when missing
Race 60%Hispanic
Location 83%73 mi away, same state
TimingFound 14 months after last seen
Height 100%5'5" vs 5'6"–5'8"
Weight 80%135 lb vs 170–180 lb

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.