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Crime Solvers Central
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 (MP16051) and 2 other sources
In the vast and often unforgiving landscape of the Sonoran Desert, countless stories of hope and hardship unfold. One such story is that of Jose Guillermo Barrientos Martinez, a 44-year-old Hispanic male whose journey took a turn into the unknown around January 1, 2008. On that day, which stands as a vague marker in time, he was last known to be near Altar, in Pima County, Arizona. Standing between 5'9' and 5'11' and weighing approximately 190 to 210 pounds, Jose was among the many who venture into the arid borderlands. His family and friends were left with an agonizing silence, a void filled only with questions and the enduring hope for his safe return. The specific details of what he wore or any distinguishing physical features have faded with time, leaving a sparse and challenging trail for those who would later seek to find him.

The circumstances surrounding Jose's disappearance are as sparse as the desert terrain he was last seen in. The only available information indicates he was in the process of crossing the U.S.-Mexico border, an area situated north of Altar, Mexico. This region is known for its harsh conditions, a place where the elements can be as formidable an obstacle as any other. For those who traverse it, the journey is fraught with peril, from extreme temperatures to the rugged, disorienting landscape. Without any specified mode of transportation or known companions, the narrative of Jose’s last known movements is tragically brief. The official report of his disappearance was not filed until over a year later, on July 10, 2009, with the Pima County Office of the Medical Examiner, a delay that can often complicate the initial and most crucial stages of an investigation.

Years have now passed since Jose Barrientos Martinez was last seen, and his case remains an open wound for those who knew him. The investigation, managed by the Pima County Office of the Medical Examiner under case number FSC MPR 934, has been met with the silent indifference of the desert. With no new leads or information surfacing, the story of Jose is one of many that highlight the human side of the complex issues surrounding border crossings. It is a somber reminder of the individuals who vanish, leaving behind families caught in a state of perpetual uncertainty. The overview of this case is one of profound ambiguity; a man vanished while undertaking a perilous journey, leaving behind only his name and the last place he was known to be, a haunting testament to the countless others who have been lost in the borderlands.

Last Seen: Jan 1, 2008

Links to Additional Sources (2)

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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.

82%Moderate
John Doe — Tucson, Arizona - unidentified case UP5138
John Doe — Tucson, Arizona
UP5138 • Found Apr 17, 2008
View case
Sex ✓Male
Age 85%Est. 36–56 vs 44
Race 100%Hispanic
Location 100%5 mi away, same county
TimingFound 4 months after last seen
Height 100%5'11" vs 5'9"–5'11"
Weight 80%150 lb vs 190–210 lb
81%Moderate
John Doe — Marana, Arizona - unidentified case UP10250
John Doe — Marana, Arizona
UP10250 • Found Nov 5, 2011
View case
Sex ✓Male
Age 100%Est. 30–45 vs 44 when missing
Race 100%Hispanic
Location 97%22 mi away, same county
TimingFound 4 years after last seen
Height 100%5'8" vs 5'9"–5'11"
81%Moderate
John Doe — Arizona - unidentified case UP9621
John Doe — Arizona
UP9621 • Found Jul 13, 2010
View case
Sex ✓Male
Age 100%Est. 30–45 vs 44 when missing
Race 100%Hispanic
Location 92%40 mi away, same county
TimingFound 3 years after last seen
Height 100%5'8" vs 5'9"–5'11"
79%Possible
John Doe — Arizona - unidentified case UP15182
John Doe — Arizona
UP15182 • Found Dec 7, 2015
View case
Sex ✓Male
Age 100%Est. 35–50 vs 44 when missing
Race 100%Hispanic
Location 92%40 mi away, same county
TimingFound 8 years after last seen
Height 100%5'8" vs 5'9"–5'11"
79%Possible
John Doe — Amado, Arizona - unidentified case UP5087
John Doe — Amado, Arizona
UP5087 • Found Dec 6, 2008
View case
Sex ✓Male
Age 85%Est. 31–49 vs 44
Race 100%Hispanic
Location 94%33 mi away, same county
TimingFound 11 months after last seen
Height 100%5'9" vs 5'9"–5'11"
78%Possible
John Doe — Arizona - unidentified case UP11971
John Doe — Arizona
UP11971 • Found Jul 28, 2013
View case
Sex ✓Male
Age 100%Est. 30–45 vs 44 when missing
Race 100%Hispanic
Location 92%40 mi away, same county
TimingFound 6 years after last seen
Height 84%5'7" vs 5'9"–5'11"
78%Possible
John Doe — Kupt Village, Arizona - unidentified case UP9335
John Doe — Kupt Village, Arizona
UP9335 • Found Sep 9, 2011
View case
Sex ✓Male
Age 100%Est. 30–45 vs 44 when missing
Race 100%Hispanic
Location 84%68 mi away, same county
TimingFound 4 years after last seen
Height 100%5'8" vs 5'9"–5'11"
78%Possible
John Doe — Robles Junction, Arizona - unidentified case UP8663
John Doe — Robles Junction, Arizona
UP8663 • Found Feb 6, 2010
View case
Sex ✓Male
Age 85%Est. 21–46 vs 44 when missing
Race 100%Hispanic
Location 97%20 mi away, same county
TimingFound 2 years after last seen
Height 84%5'7" vs 5'9"–5'11"
78%Possible
John Doe — Green Valley, Arizona - unidentified case UP6391
John Doe — Green Valley, Arizona
UP6391 • Found Sep 26, 2009
View case
Sex ✓Male
Age 85%Est. 35–55 vs 44 when missing
Race 100%Hispanic
Location 97%22 mi away, same county
TimingFound 21 months after last seen
Height 84%5'7" vs 5'9"–5'11"
78%Possible
John Doe — Three Points, Arizona - unidentified case UP136035
John Doe — Three Points, Arizona
UP136035 • Found Nov 7, 2024
View case
Sex ✓Male
Age 100%Est. 35–50 vs 44 when missing
Race 100%Hispanic
Location 97%20 mi away, same county
TimingFound 17 years after last seen
Height 100%5'4"–5'10" vs 5'9"–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.