Crime Solvers Central
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 (MP140393) and 1 other source
Marvin Alvarado-Pereira was reported missing from Brownsville, Texas, on May 20, 2019. At the time of his disappearance, he was 17 years old. His case is listed in the National Missing and Unidentified Persons System which provides details about missing individuals to aid in their identification and recovery.

The Texas Department of Public Safety maintains a Missing Persons Clearinghouse, which assists law enforcement agencies and the public in locating missing individuals. This clearinghouse works in conjunction with the Unidentified Persons/DNA Unit to help link missing persons to unidentified human remains. The DPS also provides an online bulletin featuring searchable records of missing persons, abductors, runaways, and unidentified individuals discovered in Texas.

Efforts to locate Marvin Alvarado-Pereira continue, with authorities urging anyone with information to come forward. The NamUs database and Texas DPS resources remain available to assist in the search for missing individuals like Marvin.

Last Seen: May 20, 2019

Links to Additional Sources (1)

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Possible Unidentified Matches (7)

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.

83%Moderate
John Doe — Pharr, Texas
UP104060 • Found Apr 11, 2023
View case
Sex ✓Male
Age 100%Est. 18–32 vs 17 when missing
Race 100%Hispanic
Location 88%55 mi away, same state
TimingFound 4 years after last seen
Height 100%5'5" vs 5'5"–5'6"
Weight 100%192 lb vs 190–200 lb
Hair 100%Brown vs Brown
82%Moderate
John Doe — Mission, Texas
UP122149 • Found Apr 26, 2024
View case
Sex ✓Male
Age 100%Est. 12–20 vs 17 when missing
Race 100%Hispanic
Location 85%64 mi away, same state
TimingFound 5 years after last seen
Height 100%5'4" vs 5'5"–5'6"
Weight 100%205 lb vs 190–200 lb
Hair 60%Black vs Brown
Eyes 100%Brown vs Brown
82%Moderate
John Doe — Mission, Texas
UP81370 • Found May 23, 2021
View case
Sex ✓Male
Age 100%Est. 16–29 vs 17 when missing
Race 100%Hispanic
Location 87%59 mi away, same state
TimingFound 2 years after last seen
Height 100%5'6" vs 5'5"–5'6"
Weight 96%167 lb vs 190–200 lb
Hair 60%Black vs Brown
77%Possible
John Doe — La Joya, Texas
UP75426 • Found Oct 9, 2020
View case
Sex ✓Male
Age 100%Est. 18–32 vs 17 when missing
Race 100%Hispanic
Location 82%74 mi away, same state
TimingFound 17 months after last seen
Height 84%5'3" vs 5'5"–5'6"
Weight 0%40 lb vs 190–200 lb
Hair 100%Brown vs Brown
76%Possible
John Doe — Hidalgo, Texas - unidentified case UP84194
John Doe — Hidalgo, Texas
UP84194 • Found Aug 17, 2021
View case
Sex ✓Male
Age 100%Est. 18–32 vs 17 when missing
Race 100%Hispanic
Location 87%58 mi away, same state
TimingFound 2 years after last seen
Height 84%5'3" vs 5'5"–5'6"
Weight 0%74 lb vs 190–200 lb
Hair 60%Black vs Brown
75%Possible
John Doe — Mission, Texas - unidentified case UP67345
John Doe — Mission, Texas
UP67345 • Found Mar 14, 2020
View case
Sex ✓Male
Age 100%Est. 16–30 vs 17
Race 60%White
Location 85%64 mi away, same state
TimingFound 10 months after last seen
Height 100%5'2"–5'4" vs 5'5"–5'6"
75%Possible
John Doe — Texas
UP82407 • Found Dec 18, 2019
View case
Sex ✓Male
Age 100%Est. 14–20 vs 17
Race 100%Hispanic
Location 75%99 mi away, same state
TimingFound 7 months after last seen
Height 75%5'2"–5'11" vs 5'5"–5'6"

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.