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 (MP17986) and 1 other source
In the vast and often unforgiving landscape of the Arizona desert, a then 34-year-old man named Armando Mendoza Guerrero vanished in June 2012. He was journeying on foot, having crossed into the United States from Mexico, likely near the small community of Sasabe. Armando was not alone; he traveled with a group that included three men from his hometown. Their hope was to find a new beginning, but the harsh realities of the desert and the ever-present risk of being discovered would soon turn their journey into a desperate struggle for survival and lead to one man’s disappearance. The group was navigating the rugged terrain somewhere between Sasabe and Arivaca, a route known for its dangers, when the unexpected happened.

The journey took a perilous turn when the group believed they were being pursued by the U.S. Border Patrol. In the ensuing panic, the men scattered, each running in a different direction to evade capture. It was in this moment of chaos and fear that Armando was last seen by his companions. Once the immediate danger had passed and the men were able to regroup, they realized that Armando was no longer with them. He had vanished into the desert. At the time of his disappearance, Armando was described as wearing military-style clothing, likely camouflage, and carrying a camouflage backpack that contained his license, voter ID card, and cell phone. He has a tattoo of a heart with the letter 'G' on his right arm, a scar on the lower part of one of his legs, and a large mole on one of his upper arms.

The circumstances surrounding Armando Mendoza Guerrero's disappearance highlight the inherent dangers faced by those who attempt to cross the border through remote and hostile environments. The Pima County Medical Examiner's Office is the investigating agency in his case. Despite the passage of time, the exact whereabouts of Armando remain unknown, leaving his family with unanswered questions. His case is a somber reminder of the many individuals who go missing each year while attempting to cross the U.S.-Mexico border, their fates often remaining a mystery. The narrative of his disappearance is one of a journey that began with hope but ended in uncertainty in the vast expanse of the Arizona desert.

Last Seen: Jun 11, 2012

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.

Sex ✓Male
Age 100%Est. 25–36 vs 34 when missing
Race 100%Hispanic
Location 91%42 mi away, same county
TimingFound 13 months after last seen
Height 100%5'4" vs 5'3"
Weight 100%136 lb vs 140–145 lb
Hair 60%Black vs Brown
Eyes 100%Brown vs Brown
82%Moderate
John Doe — South Tucson, Arizona - unidentified case UP12008
John Doe — South Tucson, Arizona
UP12008 • Found May 9, 2013
View case
Sex ✓Male
Age 85%Est. 18–35 vs 34
Race 100%Hispanic
Location 90%48 mi away, same county
TimingFound 11 months after last seen
Height 100%5'4" vs 5'3"
Weight 100%133 lb vs 140–145 lb
Hair 60%Black vs Brown
Eyes 100%Brown vs Brown
82%Moderate
John Doe — Near Big Field Village, Arizona - unidentified case UP11595
John Doe — Near Big Field Village, Arizona
UP11595 • Found May 8, 2013
View case
Sex ✓Male
Age 85%Est. 25–45 vs 34
Race 100%Hispanic
Location 92%39 mi away, same county
TimingFound 11 months after last seen
Height 100%5'4" vs 5'3"
Weight 76%176 lb vs 140–145 lb
Hair 60%Black vs Brown
Eyes 100%Brown vs Brown
82%Moderate
John Doe — Nogales, Arizona - unidentified case UP10775
John Doe — Nogales, Arizona
UP10775 • Found May 12, 2012
View case
Sex ✓Male
Age 100%Est. 25–39 vs 34
Race 100%Hispanic
Location 95%29 mi away, same state
TimingFound same day as last seen
Height 100%5'4" vs 5'3"
Hair 60%Black vs Brown
81%Moderate
John Doe — Arizona - unidentified case UP14474
John Doe — Arizona
UP14474 • Found Oct 21, 2015
View case
Sex ✓Male
Age 100%Est. 35–50 vs 34 when missing
Race 100%Hispanic
Location 94%31 mi away, same state
TimingFound 3 years after last seen
Height 100%5'3" vs 5'3"
81%Moderate
John Doe — Arizona - unidentified case UP14411
John Doe — Arizona
UP14411 • Found Jun 13, 2015
View case
Sex ✓Male
Age 85%Est. 35–55 vs 34 when missing
Race 100%Hispanic
Location 92%39 mi away, same county
TimingFound 3 years after last seen
Height 100%5'3" vs 5'3"
Weight 54%96 lb vs 140–145 lb
Hair 100%Brown vs Brown
Eyes 100%Brown vs Brown
81%Moderate
John Doe — Arizona - unidentified case UP14068
John Doe — Arizona
UP14068 • Found Nov 27, 2014
View case
Sex ✓Male
Age 100%Est. 25–40 vs 34 when missing
Race 100%Hispanic
Location 92%39 mi away, same county
TimingFound 2 years after last seen
Height 100%5'3" vs 5'3"
81%Moderate
John Doe — Arizona - unidentified case UP13034
John Doe — Arizona
UP13034 • Found Jun 25, 2014
View case
Sex ✓Male
Age 100%Est. 25–40 vs 34 when missing
Race 100%Hispanic
Location 92%39 mi away, same county
TimingFound 2 years after last seen
Height 100%5'3" vs 5'3"
Hair 60%Black vs Brown
81%Moderate
John Doe — Arizona - unidentified case UP12713
John Doe — Arizona
UP12713 • Found Jan 24, 2014
View case
Sex ✓Male
Age 100%Est. 25–40 vs 34 when missing
Race 100%Hispanic
Location 92%39 mi away, same county
TimingFound 19 months after last seen
Height 100%5'2" vs 5'3"
80%Moderate
John Doe — 7 miles west of Cowlic Village, Arizona - unidentified case UP16415 View case
Sex ✓Male
Age 100%Est. 30–45 vs 34 when missing
Race 100%Hispanic
Location 91%42 mi away, same county
TimingFound 4 years after last seen
Height 100%5'3" vs 5'3"

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.