Crime Solvers Central
Crime Solvers Central
298 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

Any updates on this case? Let us know!
Summary based on the NamUs case record (MP16373) and 2 other sources
In the vast and often unforgiving landscape of the Arizona desert, a story of uncertainty and a family's enduring hope began to unfold. On December 18, 2010, Adan Narciso Medrano Martinez, a 28-year-old man, vanished near the small border town of Lukeville, Arizona. Known affectionately as 'Chicho' to his loved ones, Adan was last seen attempting to cross the U.S.-Mexico border. At the time of his disappearance, he was described as a Hispanic male, standing between 5'6' and 5'8' tall, and weighing between 133 and 153 pounds. He had black hair and black eyes. His family last knew him to be wearing blue Levi's jeans, a dark-colored dress jacket over a normal colored jacket, white socks, and gray tennis shoes.

Adan carried with him several distinct tattoos that told a story of his life and the people he held dear. The name 'Adan' was inked on the fingers of one of his hands, a permanent reminder of his own identity. On his stomach, he bore the names 'Lourdes' and 'Victoria,' and his feet were adorned with the words 'Tijuana' and 'Pihue.' Another tattoo, a tribute to his mother, read 'My dear mother' on either his chest or back. A small mole near his mouth was another distinguishing feature that his family hoped would aid in his identification. The circumstances of his disappearance are sparse, with the only detail being that he was in the process of crossing the border.

The days turned into weeks, and the weeks into years, with no word from Adan. The official report of his disappearance was filed on July 15, 2010, and his case was created in the National Missing and Unidentified Persons System on July 30, 2012. The Pima County Office of the Medical Examiner is the primary investigating agency, holding the case file FSC MPR 1582. The case of Adan Medrano Martinez is a poignant example of the ambiguous loss faced by families of those who go missing at the border. The lack of concrete information and the vastness of the terrain create a challenging environment for search efforts and investigations. His family is left to wonder about his fate, holding onto the hope that one day they will have answers about what happened to their beloved 'Chicho.'

Last Seen: Dec 18, 2010

Links to Additional Sources (2)

See any mistakes? Let us know!

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 — Cowlic, Tohono O'Odham Nation, Arizona - unidentified case UP12076 View case
Sex ✓Male
Age 100%Est. 25–36 vs 28 when missing
Race 100%Hispanic
Location 90%49 mi away, same county
TimingFound 3 years after last seen
Height 84%5'4" vs 5'6"–5'8"
Weight 100%136 lb vs 133–153 lb
Hair 100%Black vs Black
Eyes 90%Brown vs Black
83%Moderate
John Doe — Gunsight Village, Arizona - unidentified case UP11275
John Doe — Gunsight Village, Arizona
UP11275 • Found Jul 1, 2012
View case
Sex ✓Male
Age 85%Est. 23–40 vs 28 when missing
Race 100%Hispanic
Location 96%23 mi away, same county
TimingFound 18 months after last seen
Height 100%5'9" vs 5'6"–5'8"
Weight 100%133 lb vs 133–153 lb
Hair 100%Black vs Black
83%Moderate
John Doe — Papago, Arizona - unidentified case UP9196
John Doe — Papago, Arizona
UP9196 • Found Jul 23, 2011
View case
Sex ✓Male
Age 100%Est. 20–35 vs 28
Race 100%Hispanic
Location 88%55 mi away, same state
TimingFound 7 months after last seen
Height 100%5'5" vs 5'6"–5'8"
Hair 100%Black vs Black
Eyes 90%Brown vs Black
82%Moderate
John Doe — Lukeville, Arizona - unidentified case UP11061
John Doe — Lukeville, Arizona
UP11061 • Found Nov 22, 2012
View case
Sex ✓Male
Age 99%Est. 30–45 vs 28 when missing
Race 100%Hispanic
Location 100%Same area, same county
TimingFound 23 months after last seen
Height 100%5'8" vs 5'6"–5'8"
80%Moderate
John Doe — Near Ajo, Arizona - unidentified case UP16489
John Doe — Near Ajo, Arizona
UP16489 • Found Oct 12, 2016
View case
Sex ✓Male
Age 100%Est. 28–35 vs 28 when missing
Race 100%Hispanic
Location 94%34 mi away, same county
TimingFound 6 years after last seen
Height 100%5'7" vs 5'6"–5'8"
80%Moderate
John Doe — Arizona - unidentified case UP14730
John Doe — Arizona
UP14730 • Found Sep 7, 2015
View case
Sex ✓Male
Age 100%Est. 18–30 vs 28 when missing
Race 100%Hispanic
Location 96%27 mi away, same county
TimingFound 5 years after last seen
Height 100%5'5" vs 5'6"–5'8"
80%Moderate
John Doe — Ajo, Arizona - unidentified case UP13829
John Doe — Ajo, Arizona
UP13829 • Found Dec 3, 2014
View case
Sex ✓Male
Age 100%Est. 28–40 vs 28 when missing
Race 100%Hispanic
Location 94%34 mi away, same county
TimingFound 4 years after last seen
Height 100%5'6" vs 5'6"–5'8"
80%Moderate
John Doe — Ajo, Arizona - unidentified case UP13020
John Doe — Ajo, Arizona
UP13020 • Found Jun 10, 2014
View case
Sex ✓Male
Age 85%Est. 26–45 vs 28 when missing
Race 100%Hispanic
Location 94%34 mi away, same county
TimingFound 3 years after last seen
Height 100%5'5" vs 5'6"–5'8"
Weight 74%100 lb vs 133–153 lb
Hair 40%Gray vs Black
Eyes 90%Brown vs Black
80%Moderate
John Doe — Near Ajo, Arizona - unidentified case UP12917
John Doe — Near Ajo, Arizona
UP12917 • Found Jul 15, 2012
View case
Sex ✓Male
Age 85%Est. 30–55 vs 28 when missing
Race 100%Hispanic
Location 94%34 mi away, same county
TimingFound 19 months after last seen
Height 84%5'4" vs 5'6"–5'8"
Weight 100%150 lb vs 133–153 lb
Hair 40%Gray vs Black
Eyes 90%Brown vs Black
80%Moderate
John Doe — Sells, Arizona - unidentified case UP10439
John Doe — Sells, Arizona
UP10439 • Found May 1, 2012
View case
Sex ✓Male
Age 100%Est. 20–35 vs 28 when missing
Race 100%Hispanic
Location 88%55 mi away, same county
TimingFound 16 months after last seen
Height 100%5'5" vs 5'6"–5'8"

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.