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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 (MP74760) and 2 other sources
In the spring of 2020, a young man named Darwin Xavier Inestroza Martinez vanished under unsettling circumstances. At 27 years old, Darwin was last known to be in the vast and unforgiving southern Arizona desert on May 4, 2020. The official report of his disappearance was not created until several months later, on October 17, 2020. At the time he went missing, he was described as a Hispanic male with brown hair and brown eyes, standing at approximately 5 feet 2 inches tall and weighing between 150 and 155 pounds. His family and the Phoenix Police Department, who are handling the investigation, are seeking answers to the many questions that surround his case.

Darwin has several distinct tattoos that could aid in his identification. These include the names 'Carol' and 'Sandra' in an unknown location, the name 'Darwin' on his rib area, and a dove with the letters 'AG' on his left arm. Additionally, he has a burn scar on his right knee and another scar on his left knee. When he was last seen, he was reportedly wearing a camouflage suit, a black shirt, white Nike shoes, and white socks. The circumstances leading up to his presence in the southern Arizona desert and what transpired there remain a painful mystery for his loved ones.

The investigation into Darwin's disappearance is ongoing, and the lack of concrete leads has made the search for him incredibly challenging. The case, filed under NamUs number MP74760, remains a source of great concern and heartache for his family and community. The Phoenix Police Department continues to seek any information that could shed light on Darwin's whereabouts and the events of that day in May 2020. The mysterious nature of his disappearance from the remote desert landscape has left a void in the lives of those who know and love him, as they continue to hope for answers and his safe return.

Last Seen: May 4, 2020

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.

78%Possible
John Doe — Ajo, Arizona - unidentified case UP121658
John Doe — Ajo, Arizona
UP121658 • Found Aug 22, 2023
View case
Sex ✓Male
Age 100%Est. 28–40 vs 27 when missing
Race 100%Hispanic
Location 79%87 mi away, same state
TimingFound 3 years after last seen
Height 100%5'0"–5'3" vs 5'2"
Hair 60%Black vs Brown
78%Possible
John Doe — Phoenix, Arizona
UP106028 • Found Jun 21, 2023
View case
Sex ✓Male
Age 78%Est. 33–58 vs 27 when missing
Race 100%Hispanic
Location 100%4 mi away, same county
TimingFound 3 years after last seen
Height 84%5'4" vs 5'2"
Weight 52%203 lb vs 150–155 lb
Hair 60%Black vs Brown
Eyes 100%Brown vs Brown
78%Possible
John Doe — Ajo, Arizona - unidentified case UP88380
John Doe — Ajo, Arizona
UP88380 • Found Oct 13, 2021
View case
Sex ✓Male
Age 100%Est. 25–40 vs 27 when missing
Race 100%Hispanic
Location 79%87 mi away, same state
TimingFound 17 months after last seen
Height 100%5'3"–5'7" vs 5'2"
78%Possible
John Doe — Arizona - unidentified case UP78151
John Doe — Arizona
UP78151 • Found Jan 31, 2021
View case
Sex ✓Male
Age 97%Est. 28–42 vs 27
Race 100%Hispanic
Location 97%23 mi away, same county
TimingFound 9 months after last seen
77%Possible
John Doe — Ahan Owuch, Arizona - unidentified case UP93691
John Doe — Ahan Owuch, Arizona
UP93691 • Found Jun 19, 2022
View case
Sex ✓Male
Age 100%Est. 17–30 vs 27 when missing
Race 100%Hispanic
Location 77%91 mi away, same state
TimingFound 2 years after last seen
Height 100%5'1"–5'5" vs 5'2"
77%Possible
John Doe — Sells, Arizona - unidentified case UP92525
John Doe — Sells, Arizona
UP92525 • Found May 31, 2022
View case
Sex ✓Male
Age 100%Est. 25–40 vs 27 when missing
Race 100%Hispanic
Location 74%107 mi away, same state
TimingFound 2 years after last seen
Height 100%5'1"–5'5" vs 5'2"
Hair 60%Black vs Brown
77%Possible
John Doe — Big Fields Village, Arizona - unidentified case UP80776
John Doe — Big Fields Village, Arizona
UP80776 • Found Jan 16, 2021
View case
Sex ✓Male
Age 85%Est. 25–45 vs 27
Race 100%Hispanic
Location 83%70 mi away, same state
TimingFound 8 months after last seen
Height 100%4'10"–5'2" vs 5'2"
77%Possible
John Doe — Topawa, Arizona - unidentified case UP80630
John Doe — Topawa, Arizona
UP80630 • Found Jan 13, 2021
View case
Sex ✓Male
Age 100%Est. 18–30 vs 27
Race 100%Hispanic
Location 72%114 mi away, same state
TimingFound 8 months after last seen
Height 100%5'3"–5'7" vs 5'2"
77%Possible
John Doe — Ajo, Arizona - unidentified case UP131765
John Doe — Ajo, Arizona
UP131765 • Found Jul 1, 2024
View case
Sex ✓Male
Age 100%Est. 25–35 vs 27 when missing
Race 100%Hispanic
Location 79%87 mi away, same state
TimingFound 4 years after last seen
Height 100%5'3"–5'9" vs 5'2"
76%Possible
John Doe — Robles Junction, Arizona - unidentified case UP126332
John Doe — Robles Junction, Arizona
UP126332 • Found Jan 10, 2024
View case
Sex ✓Male
Age 100%Est. 22–29 vs 27 when missing
Race 100%Hispanic
Location 74%105 mi away, same state
TimingFound 4 years after last seen
Height 100%4'10"–5'2" vs 5'2"

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.