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Robert Mass Missing Person Case

Last seen in San Antonio, Texas on Apr 29, 2012

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Victim Details

May 9, 2012

Dec 7, 2018

Robert

Mass

47

33

67 inches

160 lbs

White / Caucasian

Male

Apr 29, 2012

San Antonio

Texas

Bexar County

78207

11732

San Antonio Police Department

San Antonio

Texas

Bexar County

78207

Margie SAPD MontezDDD

Agent

315 South Santa Rosa, Texas

2102077660

Local

Law Enforcement

12099891

May 7, 2012

San Antonio Police Department

Black

Brown

Brown

Oct 16, 2026


Area Last Seen:

Case Description

Any updates on this case? Let us know!
Summary based on the NamUs case record (MP14684) and 2 other sources
Robert Mass, a 33-year-old man from San Antonio, Texas, was last seen on April 29, 2012. He was reported to have left his residence on foot, carrying a backpack. Despite efforts from law enforcement and his family, there has been little information regarding his whereabouts since that day. His case remains listed in national missing persons databases, such as NamUs, under case number MP14684.

Mass is described as a White male with black hair, standing about 5'7" tall and weighing approximately 160 pounds at the time of his disappearance. The details surrounding his disappearance are minimal, and it is unclear what led to his vanishing. His case remains unsolved, with authorities continuing to ask for public assistance in generating leads. Anyone with information is encouraged to contact the local police department.
Last Seen: Apr 29, 2012

Links to Additional Sources (2)

See any mistakes? Let us know!
  • Elderly man missing since Tuesday located, SAPD says - KSAT
  • Obituaries - ASME - The American Society of Mechanical Engineers

    • 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.

    81%Moderate
    John Doe — San Antonio, Texas
    UP13629 • Found Jan 18, 2015
    View case
    Sex ✓Male
    Age 71%Est. 40–65 vs 33 when missing
    Race 100%White
    Location 100%3 mi away, same county
    TimingFound 3 years after last seen
    Height 100%5'6" vs 5'7"
    Weight 63%116 lb vs 160 lb
    Hair 100%Black vs Black
    Eyes 100%Brown vs Brown
    78%Possible
    John Doe — Webb County, Texas
    UP12912 • Found May 22, 2014
    View case
    Sex ✓Male
    Age 85%Est. 20–45 vs 33 when missing
    Race 100%White
    Location 65%149 mi away, same state
    TimingFound 2 years after last seen
    Height 100%5'8" vs 5'7"
    Weight 100%146 lb vs 160 lb
    Hair 100%Black vs Black
    Eyes 100%Brown vs Brown
    78%Possible
    John Doe — Laredo, Texas
    UP13058 • Found Feb 18, 2014
    View case
    Sex ✓Male
    Age 85%Est. 18–40 vs 33 when missing
    Race 100%White
    Location 65%149 mi away, same state
    TimingFound 22 months after last seen
    Height 100%5'8" vs 5'7"
    Weight 100%152 lb vs 160 lb
    Hair 100%Black vs Black
    Eyes 100%Brown vs Brown
    77%Possible
    John Doe — Texas
    UP97196 • Found Nov 3, 2022
    View case
    Sex ✓Male
    Age 85%Est. 30–50 vs 33 when missing
    Race 100%White
    Location 100%3 mi away, same county
    TimingFound 11 years after last seen
    Height 100%5'4"–5'8" vs 5'7"
    76%Possible
    John Doe — Texas
    UP12306 • Found Jan 2, 2014
    View case
    Sex ✓Male
    Age 85%Est. 18–40 vs 33 when missing
    Race 100%White
    Location 62%166 mi away, same state
    TimingFound 20 months after last seen
    Height 100%5'7" vs 5'7"
    Weight 95%140 lb vs 160 lb
    Hair 100%Black vs Black
    76%Possible
    John Doe — Webb County, Texas
    UP10377 • Found May 29, 2012
    View case
    Sex ✓Male
    Age 85%Est. 25–50 vs 33
    Race 100%White
    Location 69%131 mi away, same state
    TimingFound 4 weeks after last seen
    Height 84%5'5" vs 5'7"
    Weight 80%128 lb vs 160 lb
    Hair 60%Brown vs Black
    Eyes 100%Brown vs Brown
    75%Possible
    John Doe — San Antonio, Texas
    UP14354 • Found Aug 3, 2015
    View case
    Sex ✓Male
    Age 60%Est. 18–100 vs 33 when missing
    Race 100%White
    Location 100%2 mi away, same county
    TimingFound 3 years after last seen
    Height 100%5'7" vs 5'7"
    75%Possible
    John Doe — San Antonio, Texas - unidentified case UP14405
    John Doe — San Antonio, Texas
    UP14405 • Found Jun 12, 2015
    View case
    Sex ✓Male
    Age 43%Est. 45–65 vs 33 when missing
    Race 100%White
    Location 100%4 mi away, same county
    TimingFound 3 years after last seen
    Height 100%5'8" vs 5'7"
    Weight 80%192 lb vs 160 lb
    Hair 40%Gray vs Black
    Eyes 100%Brown vs Brown
    75%Possible
    John Doe — San Antonio, Texas - unidentified case UP13788
    John Doe — San Antonio, Texas
    UP13788 • Found Jan 28, 2015
    View case
    Sex ✓Male
    Age 41%Est. 45–65 vs 33 when missing
    Race 100%White
    Location 100%10 mi away, same county
    TimingFound 3 years after last seen
    Height 100%5'8" vs 5'7"
    Weight 100%164 lb vs 160 lb
    Hair 60%Brown vs Black
    75%Possible
    John Doe — Laredo, Texas
    UP11713 • Found Aug 12, 2013
    View case
    Sex ✓Male
    Age 85%Est. 18–35 vs 33 when missing
    Race 100%White
    Location 66%144 mi away, same state
    TimingFound 15 months after last seen
    Height 68%5'4" vs 5'7"
    Weight 100%144 lb vs 160 lb
    Hair 100%Black 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.

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    Forum Posts (1)

    Robert Mass was 33 when he was last seen in San Antonio, Texas, on April 29, 2012. He reportedly... ...Read More
    11/14/2024

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