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Crime Solvers Central
302 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 (MP37735) and 1 other source
In the spring of 2005, a young man named Robert Hilden Sanchez-Aguirre, just 26 years old, vanished. He was a migrant worker, accustomed to the transient life that took him between the agricultural fields of California and Arizona. The last time anyone is known to have had contact with him was in April of that year. At the time, he was in Phoenix, Arizona, a bustling city that for him was just a stop on his journey. His plan was to board a bus and head to his brother’s home in California, a familiar trip in his line of work. His brother waited, but Robert never stepped off the bus, and the silence that followed his expected arrival grew into a quiet, desperate worry.

The days turned into weeks, and with no word from Robert, his family's concern mounted. The journey he was supposed to make was one he had likely made before, a routine part of his life as he followed the seasons and the work. Yet, on this occasion, something went wrong. He was described as a Hispanic male, standing between 5'11' and 6'1' tall, with a weight of 170 to 180 pounds. He had black hair and brown eyes. Details about what he was wearing or any personal belongings he might have had with him are not publicly known. The lack of these specific details adds to the haze of uncertainty that surrounds his disappearance. The official report of his disappearance was not filed until July 31, 2005, with the Fresno County Sheriff's Office in California taking the lead on the investigation, their jurisdiction relevant due to his intended destination.

Years have passed since Robert Sanchez-Aguirre was last heard from, and the questions surrounding his disappearance remain unanswered. His case is a somber reminder of the vulnerabilities faced by migrant workers, whose frequent travel and sometimes intermittent contact with family can lead to delays in realizing something is amiss. The investigation, managed by the Fresno County Sheriff's Office, has been open for over a decade, a silent testament to a family's hope and a law enforcement agency's long-standing commitment to finding answers. The overview of Robert's case is one of a sudden and unexplained departure from his known plans. He was on his way to reunite with his brother, a simple bus trip from Phoenix to California, but he never arrived, leaving behind a void of information and a family left to wonder what happened on that journey in April of 2005.

Last Seen: Apr 1, 2005

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.

79%Possible
John Doe — Arizona City, Arizona - unidentified case UP5086
John Doe — Arizona City, Arizona
UP5086 • Found Dec 3, 2008
View case
Sex ✓Male
Age 100%Est. 20–30 vs 25–26 when missing
Race 100%Hispanic
Location 88%53 mi away, same state
TimingFound 4 years after last seen
Height 100%6'0" vs 5'11"–6'1"
79%Possible
John Doe — Phoenix, Arizona - unidentified case UP824
John Doe — Phoenix, Arizona
UP824 • Found Dec 28, 2005
View case
Sex ✓Male
Age 100%Est. 17–30 vs 25–26
Race 60%White
Location 100%3 mi away, same county
TimingFound 9 months after last seen
Height 52%5'7" vs 5'11"–6'1"
Weight 100%156 lb vs 170–180 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
78%Possible
John Doe — Gila Bend, Arizona - unidentified case UP12852
John Doe — Gila Bend, Arizona
UP12852 • Found Jul 6, 2014
View case
Sex ✓Male
Age 100%Est. 18–25 vs 25–26 when missing
Race 100%Hispanic
Location 89%51 mi away, same county
TimingFound 9 years after last seen
Height 84%5'9" vs 5'11"–6'1"
Hair 100%Black vs Black
78%Possible
John Doe — Tucson, Arizona - unidentified case UP8671
John Doe — Tucson, Arizona
UP8671 • Found Jan 25, 2010
View case
Sex ✓Male
Age 100%Est. 20–29 vs 25–26 when missing
Race 100%Hispanic
Location 74%106 mi away, same state
TimingFound 5 years after last seen
Height 68%5'8" vs 5'11"–6'1"
Weight 100%155 lb vs 170–180 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
78%Possible
John Doe — Casa Grande, Arizona - unidentified case UP6370
John Doe — Casa Grande, Arizona
UP6370 • Found Jul 22, 2009
View case
Sex ✓Male
Age 100%Est. 23–32 vs 25–26 when missing
Race 100%Hispanic
Location 92%41 mi away, same state
TimingFound 4 years after last seen
Height 68%5'7"–5'8" vs 5'11"–6'1"
Hair 100%Black vs Black
77%Possible
John Doe — Gila Bend, Arizona
UP57940 • Found Apr 20, 2019
View case
Sex ✓Male
Age 100%Est. 27–37 vs 25–26 when missing
Race 100%Hispanic
Location 89%51 mi away, same county
TimingFound 14 years after last seen
Height 100%5'6"–5'10" vs 5'11"–6'1"
77%Possible
John Doe — Eloy, Arizona - unidentified case UP12827
John Doe — Eloy, Arizona
UP12827 • Found Mar 30, 2014
View case
Sex ✓Male
Age 100%Est. 19–29 vs 25–26 when missing
Race 100%Hispanic
Location 87%57 mi away, same state
TimingFound 9 years after last seen
Height 100%5'11" vs 5'11"–6'1"
77%Possible
John Doe — Gila Bend, Arizona - unidentified case UP12560
John Doe — Gila Bend, Arizona
UP12560 • Found Nov 1, 2013
View case
Sex ✓Male
Age 88%Est. 18–24 vs 25–26 when missing
Race 100%Hispanic
Location 89%51 mi away, same county
TimingFound 9 years after last seen
Height 100%5'11" vs 5'11"–6'1"
Hair 100%Black vs Black
77%Possible
John Doe — Vamori Village vicinity, Arizona - unidentified case UP6379
John Doe — Vamori Village vicinity, Arizona
UP6379 • Found Aug 7, 2009
View case
Sex ✓Male
Age 100%Est. 25–35 vs 25–26 when missing
Race 100%Hispanic
Location 71%120 mi away, same state
TimingFound 4 years after last seen
Height 100%5'10" vs 5'11"–6'1"
Hair 100%Black vs Black
77%Possible
John Doe — Benson, Arizona - unidentified case UP6767
John Doe — Benson, Arizona
UP6767 • Found Jun 24, 2005
View case
Sex ✓Male
Age 85%Est. 24–46 vs 25–26
Race 100%Hispanic
Location 66%145 mi away, same state
TimingFound 3 months after last seen
Height 100%5'10" vs 5'11"–6'1"
Weight 89%207 lb vs 170–180 lb
Hair 60%Brown vs Black
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.

Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.