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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 (MP15680) and 2 other sources
Marlon Estanley Orellana Aguilar was 30 years old when he was last seen on March 4, 2001. Of Hispanic/Latino descent, Marlon was traveling from his last known location in Puerto de Ocos, Guatemala, with the intention of crossing into the United States. His journey would ultimately lead him toward Arizona, but somewhere along this path, communication with him ceased, and his whereabouts became unknown. Marlon is described as having several distinct physical features, including a scar on his left cheek, an almond-shaped scar on one of his fingers, and a noticeable dog bite scar on his hip. These identifying marks offer a poignant glimpse into the life of the man who vanished while seeking a different future.

The circumstances surrounding Marlon's disappearance are shrouded in the ambiguity that often accompanies cases of individuals who go missing while migrating. His case is being handled by the Pima County Office of the Medical Examiner, which suggests that at some point, his path may have crossed into this jurisdiction of Arizona. The official report was not filed until October 30, 2009, over eight years after he was last heard from, a delay that can significantly complicate the investigative process. The lack of information regarding the specifics of his intended route, potential traveling companions, or any hardships he may have encountered leaves family and authorities with a painful void of information.

The investigation into what happened to Marlon Orellana Aguilar remains an open question. Without witnesses or a clear timeline of events following his departure from Guatemala, the case has grown cold over the decades. The Pima County Medical Examiner's office holds the case file, a silent testament to a life interrupted and a family left without answers. The official record notes his last point of contact as being en route to the U.S., a journey undertaken by many with hopes and dreams, but one that for Marlon, ended in an unresolved disappearance that continues to be a source of quiet sorrow.

Last Seen: Mar 4, 2001

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.

80%Moderate
John Doe — Apache Junction, Arizona - unidentified case UP6490
John Doe — Apache Junction, Arizona
UP6490 • Found May 2, 2002
View case
Sex ✓Male
Age 85%Est. 26–44 vs 30–31 when missing
Race 100%Hispanic
Location 89%51 mi away, same state
TimingFound 14 months after last seen
Height 100%5'9" vs 5'6"–5'8"
Weight 100%106 lb vs 100–300 lb
78%Possible
John Doe — Tucson, Arizona - unidentified case UP6462
John Doe — Tucson, Arizona
UP6462 • Found Jul 15, 2003
View case
Sex ✓Male
Age 100%Est. 22–35 vs 30–31 when missing
Race 100%Hispanic
Location 70%126 mi away, same county
TimingFound 2 years after last seen
Height 100%5'5" vs 5'6"–5'8"
Weight 100%99 lb vs 100–300 lb
78%Possible
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 30–31 when missing
Race 100%Hispanic
Location 70%126 mi away, same county
TimingFound 2 years after last seen
Height 100%5'8" vs 5'6"–5'8"
Weight 100%115 lb vs 100–300 lb
78%Possible
John Doe — Arizona - unidentified case UP6381
John Doe — Arizona
UP6381 • Found Aug 18, 2002
View case
Sex ✓Male
Age 100%Est. 30–45 vs 30–31 when missing
Race 100%Hispanic
Location 67%142 mi away, same county
TimingFound 18 months after last seen
Height 100%5'8" vs 5'6"–5'8"
Weight 100%106 lb vs 100–300 lb
77%Possible
John Doe — Avra Valley and Marana, Arizona - unidentified case UP5445
John Doe — Avra Valley and Marana, Arizona
UP5445 • Found Jun 2, 2002
View case
Sex ✓Male
Age 100%Est. 22–36 vs 30–31 when missing
Race 100%Hispanic
Location 73%112 mi away, same county
TimingFound 15 months after last seen
Height 100%5'7" vs 5'6"–5'8"
76%Possible
John Doe — Marana, Arizona - unidentified case UP8606
John Doe — Marana, Arizona
UP8606 • Found Sep 17, 2010
View case
Sex ✓Male
Age 100%Est. 30–45 vs 30–31 when missing
Race 100%Hispanic
Location 73%112 mi away, same county
TimingFound 10 years after last seen
Height 100%5'5" vs 5'6"–5'8"
Weight 100%126 lb vs 100–300 lb
76%Possible
John Doe — White Horse Pass Village, Arizona - unidentified case UP6418
John Doe — White Horse Pass Village, Arizona
UP6418 • Found Jul 28, 2009
View case
Sex ✓Male
Age 100%Est. 28–40 vs 30–31 when missing
Race 100%Hispanic
Location 79%86 mi away, same state
TimingFound 8 years after last seen
Height 100%5'5" vs 5'6"–5'8"
76%Possible
John Doe — Tucson, Arizona - unidentified case UP6743
John Doe — Tucson, Arizona
UP6743 • Found Dec 15, 2007
View case
Sex ✓Male
Age 100%Est. 29–43 vs 30–31 when missing
Race 100%Hispanic
Location 70%126 mi away, same county
TimingFound 7 years after last seen
Height 100%5'7" vs 5'6"–5'8"
Weight 100%145 lb vs 100–300 lb
76%Possible
John Doe — San Simon Village, Arizona - unidentified case UP5401
John Doe — San Simon Village, Arizona
UP5401 • Found Jun 20, 2006
View case
Sex ✓Male
Age 100%Est. 20–30 vs 30–31 when missing
Race 100%Hispanic
Location 65%149 mi away, same county
TimingFound 5 years after last seen
Height 100%5'6" vs 5'6"–5'8"
Weight 100%120 lb vs 100–300 lb
76%Possible
John Doe — Eloy, Arizona
UP5505 • Found May 16, 2004
View case
Sex ✓Male
Age 85%Est. 26–44 vs 30–31 when missing
Race 100%Hispanic
Location 77%93 mi away, same state
TimingFound 3 years after last seen
Height 100%5'5" vs 5'6"–5'8"
Weight 100%142 lb vs 100–300 lb

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.