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 (MP16826) and 2 other sources
In the vast and often unforgiving landscape of the Arizona desert, the story of Valerio Almazan Rivas's disappearance unfolds. On July 30, 2011, at the age of 21, the young Hispanic male was last seen in the vicinity of Lukeville, a small community on the U.S.-Mexico border in Pima County. His last known movements were in the harsh terrain north of Los Vidrios, Sonora, Mexico, as he attempted to cross into the United States. The Pima County Medical Examiner's Office officially took on the case on August 25, 2011, nearly a month after he was last seen, highlighting the often-delayed reporting in cases involving border crossings. Valerio, with his black hair and brown eyes, stood between 5'3' and 5'4' and weighed approximately 140 to 150 pounds.

Valerio's family and authorities were left with only a few distinct details to aid in their search. Both of his ears were pierced, a common feature, but he also had several identifying tattoos. His first name, 'Valerio,' was tattooed on his right arm, and his last name was inked on the nape of his neck. A third tattoo, the name 'Esmeralda,' was on his ankle. When he vanished, he was reportedly wearing a black fake leather baseball cap, navy blue or black pants in a size 34, and white shoes in a Mexican size 7. These personal effects, along with his physical description, represent the last tangible connections to him before he disappeared into the borderlands.

The circumstances surrounding Valerio Almazan Rivas's case paint a poignant picture of the perils faced by many who undertake the dangerous journey across the border. With no further information available about his whereabouts since that day in July 2011, his case remains an open and unresolved matter. The Pima County Medical Examiner's Office holds the official file, a silent testament to a life interrupted. The lack of updates and the passage of time create a void for his loved ones, a narrative without a final chapter. The overview of this case is one of ambiguous loss, a story that began with hope for a new beginning but has since been shrouded in the mystery and silence of the desert.

Last Seen: Jul 30, 2011

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.

84%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 21
Race 100%Hispanic
Location 88%55 mi away, same state
TimingFound same day as last seen
Height 100%5'5" vs 5'3"–5'4"
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
83%Moderate
John Doe — Queenswell Village, Arizona - unidentified case UP9067
John Doe — Queenswell Village, Arizona
UP9067 • Found Jul 7, 2011
View case
Sex ✓Male
Age 100%Est. 20–35 vs 21
Race 100%Hispanic
Location 92%41 mi away, same county
TimingFound same day as last seen
Height 100%5'3" vs 5'3"–5'4"
Hair 100%Black vs Black
82%Moderate
John Doe — Near Ajo, Arizona - unidentified case UP14501
John Doe — Near Ajo, Arizona
UP14501 • Found Jul 4, 2015
View case
Sex ✓Male
Age 100%Est. 16–21 vs 21 when missing
Race 100%Hispanic
Location 94%34 mi away, same county
TimingFound 4 years after last seen
Height 100%5'5" vs 5'3"–5'4"
Hair 100%Black vs Black
81%Moderate
John Doe — Near Kupk Village, Arizona - unidentified case UP16418
John Doe — Near Kupk Village, Arizona
UP16418 • Found May 15, 2016
View case
Sex ✓Male
Age 100%Est. 16–21 vs 21 when missing
Race 100%Hispanic
Location 93%35 mi away, same county
TimingFound 5 years after last seen
Height 84%5'6" vs 5'3"–5'4"
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
81%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 21 when missing
Race 100%Hispanic
Location 96%27 mi away, same county
TimingFound 4 years after last seen
Height 100%5'5" vs 5'3"–5'4"
81%Moderate
John Doe — Itak, Arizona - unidentified case UP13748
John Doe — Itak, Arizona
UP13748 • Found Aug 5, 2014
View case
Sex ✓Male
Age 100%Est. 18–23 vs 21 when missing
Race 100%Hispanic
Location 89%49 mi away, same county
TimingFound 3 years after last seen
Height 100%5'2" vs 5'3"–5'4"
Hair 100%Black vs Black
81%Moderate
John Doe — Near Papago Farms, Arizona - unidentified case UP12294
John Doe — Near Papago Farms, Arizona
UP12294 • Found Oct 26, 2013
View case
Sex ✓Male
Age 100%Est. 19–27 vs 21 when missing
Race 100%Hispanic
Location 95%30 mi away, same county
TimingFound 2 years after last seen
Height 100%5'5" vs 5'3"–5'4"
81%Moderate
John Doe — Cowlic, Tohono O'Odham Nation, Arizona - unidentified case UP12076 View case
Sex ✓Male
Age 76%Est. 25–36 vs 21 when missing
Race 100%Hispanic
Location 90%49 mi away, same county
TimingFound 23 months after last seen
Height 100%5'4" vs 5'3"–5'4"
Weight 100%136 lb vs 140–150 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
81%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 21
Race 100%Hispanic
Location 88%55 mi away, same county
TimingFound 9 months after last seen
Height 100%5'5" vs 5'3"–5'4"
81%Moderate
John Doe — Maricopa, Arizona - unidentified case UP10459
John Doe — Maricopa, Arizona
UP10459 • Found Jan 30, 2012
View case
Sex ✓Male
Age 100%Est. 20–35 vs 21
Race 100%Hispanic
Location 77%93 mi away, same state
TimingFound 6 months after last seen
Height 100%5'2" vs 5'3"–5'4"
Weight 84%114 lb vs 140–150 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.