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Case Description

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Summary based on the NamUs case record (MP16345) and 1 other source
Despite the passage of time, the details surrounding the disappearance of Efren Soto Soto remain scarce, painting a limited and somber picture of his last known movements. In the autumn of 2009, at the age of 46, the Hispanic and Latino man was last seen. The exact date of his disappearance is not precisely known, but it is recorded as October 10, 2009. At the time, he was in the vicinity of Lukeville, a small community on the Arizona-Mexico border in Pima County. His case is a quiet but poignant reminder of the many individuals who vanish without a trace.

According to the few details that have been made public, Efren was last seen while crossing the U.S./Mexico border. The circumstances of this crossing are vague, with reports suggesting it occurred near Nogales, Arizona. What happened to him after he was last seen is unknown, as there have been no credible sightings or communications reported since that day. The lack of information has left a void for those who may have known him, a story without an ending. The official investigation, managed by the Pima County Medical Examiner's Office, holds his case file, a silent testament to a life interrupted.

At the time of his disappearance, Efren Soto Soto was described as being between 5 feet 7 inches and 5 feet 9 inches tall, with a weight ranging from 125 to 145 pounds. He had brown hair, possibly with some graying, and brown eyes. His clothing was noted as a gray shirt with dots, a gray plaid shirt over a sleeveless white shirt, dark gray jeans, and a black jacket. He also wore a camouflage hat, white socks, and black shoes in a size 8.5. Distinctive features included an oval scar on his left leg and a mole on his back. The narrative of Efren Soto Soto’s disappearance is one of many similar stories of individuals who have gone missing in the border region, a place of transition that, for some, becomes a final, unknown destination. His case remains an open and unresolved question, a silent entry in the national database of missing persons.

Last Seen: Oct 10, 2009

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.

82%Moderate
John Doe — Go Vu, Arizona - unidentified case UP8752
John Doe — Go Vu, Arizona
UP8752 • Found Sep 7, 2010
View case
Sex ✓Male
Age 100%Est. 37–47 vs 46
Race 100%Hispanic
Location 93%35 mi away, same county
TimingFound 11 months after last seen
Height 100%5'6" vs 5'7"–5'9"
80%Moderate
John Doe — Why, Arizona - unidentified case UP14766
John Doe — Why, Arizona
UP14766 • Found Aug 22, 2015
View case
Sex ✓Male
Age 100%Est. 35–50 vs 46 when missing
Race 100%Hispanic
Location 96%27 mi away, same county
TimingFound 6 years after last seen
Height 100%5'7" vs 5'7"–5'9"
80%Moderate
John Doe — Lukeville, Arizona - unidentified case UP11061
John Doe — Lukeville, Arizona
UP11061 • Found Nov 22, 2012
View case
Sex ✓Male
Age 91%Est. 30–45 vs 46 when missing
Race 100%Hispanic
Location 100%Same area, same county
TimingFound 3 years after last seen
Height 100%5'8" vs 5'7"–5'9"
80%Moderate
John Doe — Lukeville, Arizona - unidentified case UP9085
John Doe — Lukeville, Arizona
UP9085 • Found Jul 4, 2011
View case
Sex ✓Male
Age 85%Est. 35–55 vs 46 when missing
Race 100%Hispanic
Location 100%Same area, same county
TimingFound 21 months after last seen
Height 100%5'6" vs 5'7"–5'9"
Hair 40%Gray vs Brown
80%Moderate
John Doe — Lukeville, Arizona - unidentified case UP8657
John Doe — Lukeville, Arizona
UP8657 • Found Nov 25, 2010
View case
Sex ✓Male
Age 85%Est. 30–50 vs 46 when missing
Race 100%Hispanic
Location 100%Same area, same county
TimingFound 14 months after last seen
Height 100%5'6" vs 5'7"–5'9"
79%Possible
John Doe — Kupt Village, Arizona - unidentified case UP9335
John Doe — Kupt Village, Arizona
UP9335 • Found Sep 9, 2011
View case
Sex ✓Male
Age 91%Est. 30–45 vs 46 when missing
Race 100%Hispanic
Location 92%41 mi away, same county
TimingFound 23 months after last seen
Height 100%5'8" vs 5'7"–5'9"
79%Possible
John Doe — Charco Village, Arizona - unidentified case UP6393
John Doe — Charco Village, Arizona
UP6393 • Found Oct 15, 2009
View case
Sex ✓Male
Age 81%Est. 30–44 vs 46
Race 100%Hispanic
Location 95%28 mi away, same county
TimingFound 5 days after last seen
Height 84%5'5" vs 5'7"–5'9"
Hair 100%Brown vs Brown
78%Possible
John Doe — west of Ajo, Arizona - unidentified case UP65367
John Doe — west of Ajo, Arizona
UP65367 • Found May 13, 2019
View case
Sex ✓Male
Age 100%Est. 38–52 vs 46 when missing
Race 100%Hispanic
Location 94%34 mi away, same county
TimingFound 10 years after last seen
Height 100%5'6" vs 5'7"–5'9"
78%Possible
John Doe — west of Ajo, Arizona - unidentified case UP59932
John Doe — west of Ajo, Arizona
UP59932 • Found May 12, 2019
View case
Sex ✓Male
Age 100%Est. 38–52 vs 46 when missing
Race 100%Hispanic
Location 94%34 mi away, same county
TimingFound 10 years after last seen
Height 100%5'6"–5'10" vs 5'7"–5'9"
78%Possible
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 46 when missing
Race 100%Hispanic
Location 94%34 mi away, same county
TimingFound 5 years after last seen
Height 84%5'5" vs 5'7"–5'9"
Weight 83%100 lb vs 125–145 lb
Hair 40%Gray vs Brown
Eyes 100%Brown vs Brown

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.

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