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 (MP50863) and 1 other source
Oscar Rivera Mendez, a 54-year-old man, went missing on May 1, 2017, from McAllen, Texas. His case remains unresolved, with few details emerging about the circumstances of his disappearance. Oscar was described as a Hispanic male with black hair, standing 5'9" and weighing approximately 198 pounds at the time he went missing.

Authorities have been working to gather any information that could shed light on his whereabouts, but leads have been scarce. Oscar's case is listed in the National Missing and Unidentified Persons System (NamUs), and both local law enforcement and missing person organizations continue to encourage anyone with relevant information to come forward to aid in solving the case.

Despite the passage of time, efforts to find Oscar remain active. His family and authorities continue to seek any clues that may help bring closure to this case.

Last Seen: May 1, 2017

Links to Additional Sources (1)

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Possible Unidentified Matches (5)

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 — Brownsville, Texas - unidentified case UP127601
John Doe — Brownsville, Texas
UP127601 • Found Jun 18, 2024
View case
Sex ✓Male
Age 84%Est. 38–52 vs 54 when missing
Race 100%Hispanic
Location 91%45 mi away, same state
TimingFound 7 years after last seen
Height 100%5'8" vs 5'9"
Weight 82%160 lb vs 198 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
79%Possible
John Doe — Texas - unidentified case UP71301
John Doe — Texas
UP71301 • Found Jun 19, 2020
View case
Sex ✓Male
Age 84%Est. 38–52 vs 54 when missing
Race 100%Hispanic
Location 92%42 mi away, same state
TimingFound 3 years after last seen
Height 100%5'6"–5'10" vs 5'9"
Weight 100%160–180 lb vs 198 lb
77%Possible
John Doe — Sarita, Texas
UP100298 • Found May 10, 2018
View case
Sex ✓Male
Age 84%Est. 38–52 vs 54 when missing
Race 100%Hispanic
Location 84%70 mi away, same state
TimingFound 12 months after last seen
Height 100%5'9" vs 5'9"
76%Possible
John Doe — Texas
UP55329 • Found Feb 14, 2018
View case
Sex ✓Male
Age 100%Est. 48–62 vs 54
Race 100%Hispanic
Location 89%51 mi away, same state
TimingFound 10 months after last seen
75%Possible
John Doe — Texas - unidentified case UP82071
John Doe — Texas
UP82071 • Found Jun 5, 2018
View case
Sex ✓Male
Age 74%Est. 30–51 vs 54 when missing
Race 100%Hispanic
Location 91%45 mi away, same state
TimingFound 13 months after last seen
Height 84%5'3"–5'7" vs 5'9"

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.