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298 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 (MP26798) and 1 other source
Arturo Calderon, a 33-year-old man, was last seen on January 1, 1989, in Santa Ana, California. Little is known about the circumstances surrounding his disappearance, and the details of his last movements remain unclear. Calderon's case has been listed in missing persons databases such as NAMUS, but despite being missing for decades, there have been no significant developments or leads regarding his whereabouts.

At the time of his disappearance, Calderon was described as 5'7" tall, weighing approximately 160 pounds. Authorities and his family continue to seek information that could help resolve this long-standing case. The Santa Ana Police Department is handling the investigation, and they urge anyone with relevant information to come forward.

Last Seen: Jan 1, 1989

Links to Additional Sources (1)

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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.

87%Strong
John Doe — Los Angeles, California
UP3982 • Found May 21, 1989
View case
Sex ✓Male
Age 100%Est. 29–39 vs 33
Race 100%Hispanic
Location 95%31 mi away, same state
TimingFound 5 months after last seen
Height 100%5'4" vs 5'5"
Weight 99%156 lb vs 175–185 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
86%Strong
John Doe — City of Industry, California
UP3966 • Found Aug 25, 1989
View case
Sex ✓Male
Age 100%Est. 22–35 vs 33
Race 100%Hispanic
Location 97%20 mi away, same state
TimingFound 8 months after last seen
Height 100%5'0"–5'5" vs 5'5"
Weight 62%125 lb vs 175–185 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
86%Strong
John Doe — Silverado, California
UP7670 • Found Jul 25, 1989
View case
Sex ✓Male
Age 100%Est. 25–40 vs 33
Race 100%Hispanic
Location 99%13 mi away, same county
TimingFound 7 months after last seen
Height 100%5'4" vs 5'5"
Weight 81%140 lb vs 175–185 lb
Hair 100%Black vs Black
85%Strong
John Doe — Carlsbad, California - unidentified case UP128074
John Doe — Carlsbad, California
UP128074 • Found Jan 28, 1989
View case
Sex ✓Male
Age 100%Est. 25–35 vs 33
Race 100%Hispanic
Location 89%52 mi away, same state
TimingFound 4 weeks after last seen
Height 100%5'5" vs 5'5"
Weight 100%162 lb vs 175–185 lb
Hair 60%Brown vs Black
Eyes 100%Brown vs Brown
84%Moderate
John Doe — Camp Pendleton North, California - unidentified case UP108109
John Doe — Camp Pendleton North, California
UP108109 • Found Jul 18, 1990
View case
Sex ✓Male
Age 100%Est. 28–42 vs 33 when missing
Race 100%Hispanic
Location 91%43 mi away, same state
TimingFound 19 months after last seen
Height 84%5'7" vs 5'5"
Weight 100%168 lb vs 175–185 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
84%Moderate
John Doe — Santa Ana, California - unidentified case UP7689
John Doe — Santa Ana, California
UP7689 • Found Feb 15, 2000
View case
Sex ✓Male
Age 100%Est. 40–55 vs 33 when missing
Race 100%Hispanic
Location 100%3 mi away, same county
TimingFound 11 years after last seen
Height 100%5'6" vs 5'5"
Weight 93%151 lb vs 175–185 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
84%Moderate
John Doe — Lynwood, California
UP3502 • Found Jul 27, 1996
View case
Sex ✓Male
Age 100%Est. 33–43 vs 33 when missing
Race 100%Hispanic
Location 97%23 mi away, same state
TimingFound 8 years after last seen
Height 100%5'6" vs 5'5"
Weight 72%132 lb vs 175–185 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
84%Moderate
John Doe — Los Angeles, California - unidentified case UP3551
John Doe — Los Angeles, California
UP3551 • Found Feb 4, 1996
View case
Sex ✓Male
Age 100%Est. 30–45 vs 33 when missing
Race 100%Hispanic
Location 95%30 mi away, same state
TimingFound 7 years after last seen
Height 100%5'6" vs 5'5"
Weight 99%156 lb vs 175–185 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
84%Moderate
John Doe — California
UP3877 • Found Nov 28, 1990
View case
Sex ✓Male
Age 85%Est. 30–50 vs 33 when missing
Race 100%Hispanic
Location 95%30 mi away, same state
TimingFound 23 months after last seen
Height 100%5'5" vs 5'5"
Weight 92%150 lb vs 175–185 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
83%Moderate
John Doe — Los Angeles, California - unidentified case UP3351
John Doe — Los Angeles, California
UP3351 • Found Apr 11, 2001
View case
Sex ✓Male
Age 100%Est. 37–50 vs 33 when missing
Race 100%Hispanic
Location 94%31 mi away, same state
TimingFound 12 years after last seen
Height 100%5'0"–5'4" vs 5'5"
Weight 100%158 lb vs 175–185 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown

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.