Crime Solvers Central
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 (MP15683) and 1 other source
In the vast and often unforgiving landscape of the Arizona desert, the story of a young man's journey abruptly and mysteriously ends. Andres Gilberto Diaz Mendez, a 23-year-old male from Mexico, was last seen on July 1, 2001. He was in Sells, Arizona, a town nestled within the Tohono O'odham Nation, surrounded by a rugged and expansive terrain that holds many secrets. Andres was not at his journey's end but was merely passing through, a traveler with a destination in sight and a future he was likely eager to begin. His path had taken him from his home in Caborca, Sonora, across the international border and into the United States, with the ultimate goal of reaching Fort Collins, Colorado.

The specific details surrounding the moment Andres Diaz Mendez vanished are scarce, a common and heartbreaking reality for many families whose loved ones disappear. What is known is that he was on a trajectory toward a new life or opportunity in Colorado, a journey of hundreds of miles that was tragically cut short. The Pima County Office of the Medical Examiner took the official report of his disappearance months later, on November 8, 2001, leaving a significant gap in time where his trail could have grown cold. He was a man with distinct physical markers that set him apart—a surgical scar on his left foot and a burn scar on his right arm—details that a family would remember and hope could lead to his identification.

For over two decades, the case of Andres Diaz Mendez has remained unresolved, a quiet file among many that speak to the vulnerability of those who travel long distances in search of a different future. He was a son, perhaps a brother or a friend, whose absence created a void that has never been filled. The circumstances of his disappearance highlight the perils that can befall individuals in transit, particularly those crossing remote and challenging environments. With no witnesses or further information coming to light, his story is one of unanswered questions and enduring uncertainty, a testament to a life interrupted and a family left to wonder what happened to Andres on that summer day in the Arizona borderlands.

Last Seen: Jul 1, 2001

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.

83%Moderate
John Doe — Ali Chukson vicinity, Arizona - unidentified case UP7188
John Doe — Ali Chukson vicinity, Arizona
UP7188 • Found Nov 25, 2001
View case
Sex ✓Male
Age 100%Est. 17–23 vs 23
Race 100%Hispanic
Location 100%5 mi away, same county
TimingFound 5 months after last seen
Height 100%5'10" vs 5'9"–5'11"
82%Moderate
John Doe — Little Tucson Village, Arizona - unidentified case UP6532
John Doe — Little Tucson Village, Arizona
UP6532 • Found Jun 5, 2003
View case
Sex ✓Male
Age 100%Est. 23–35 vs 23 when missing
Race 100%Hispanic
Location 87%57 mi away, same county
TimingFound 23 months after last seen
Height 100%5'8" vs 5'9"–5'11"
Weight 100%115 lb vs 100–300 lb
80%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 23 when missing
Race 100%Hispanic
Location 98%16 mi away, same county
TimingFound 9 years after last seen
Height 100%5'8" vs 5'9"–5'11"
80%Moderate
John Doe — Vamori Village vicinity, Arizona - unidentified case UP6379
John Doe — Vamori Village vicinity, Arizona
UP6379 • Found Aug 7, 2009
View case
Sex ✓Male
Age 100%Est. 25–35 vs 23 when missing
Race 100%Hispanic
Location 99%13 mi away, same county
TimingFound 8 years after last seen
Height 100%5'10" vs 5'9"–5'11"
80%Moderate
John Doe — Tucson, Arizona - unidentified case UP4904
John Doe — Tucson, Arizona
UP4904 • Found Aug 1, 2008
View case
Sex ✓Male
Age 100%Est. 15–23 vs 23 when missing
Race 100%Hispanic
Location 87%57 mi away, same county
TimingFound 7 years after last seen
Height 100%5'11" vs 5'9"–5'11"
Weight 100%175 lb vs 100–300 lb
80%Moderate
John Doe — Cowlic, Arizona - unidentified case UP4932
John Doe — Cowlic, Arizona
UP4932 • Found Jan 23, 2007
View case
Sex ✓Male
Age 85%Est. 25–45 vs 23 when missing
Race 100%Hispanic
Location 100%10 mi away, same county
TimingFound 6 years after last seen
Height 100%5'8" vs 5'9"–5'11"
Weight 100%157 lb vs 100–300 lb
80%Moderate
John Doe — Arivaca, Arizona - unidentified case UP5492
John Doe — Arivaca, Arizona
UP5492 • Found Oct 10, 2004
View case
Sex ✓Male
Age 100%Est. 22–34 vs 23 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"
80%Moderate
John Doe — Sells, Arizona
UP6428 • Found Jul 24, 2002
View case
Sex ✓Male
Age 81%Est. 26–44 vs 23 when missing
Race 100%Hispanic
Location 100%Same area, same county
TimingFound 13 months after last seen
Height 100%5'10" vs 5'9"–5'11"
80%Moderate
John Doe — Arivaca, Arizona - unidentified case UP6488
John Doe — Arivaca, Arizona
UP6488 • Found May 14, 2002
View case
Sex ✓Male
Age 79%Est. 26–44 vs 23
Race 100%Hispanic
Location 92%40 mi away, same county
TimingFound 10 months after last seen
Height 100%5'8" vs 5'9"–5'11"
Weight 100%161 lb vs 100–300 lb
79%Possible
John Doe — west of Sells, Arizona - unidentified case UP54646
John Doe — west of Sells, Arizona
UP54646 • Found Nov 17, 2017
View case
Sex ✓Male
Age 100%Est. 28–42 vs 23 when missing
Race 100%Hispanic
Location 100%Same area, same county
TimingFound 16 years after last seen
Height 100%5'10"–6'2" 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.