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Guillermo Flores Missing Person Case

Last seen in South Gate, California on Jul 1, 2010

Victim Details

Jul 2, 2020

Jul 2, 2020

Guillermo

Flores

33

17

67 inches

140 lbs

Hispanic / Latino

Male

Jul 1, 2010

South Gate

California

Los Angeles County

90280

No

86493

South Gate Police Department

South Gate

California

Los Angeles County

90280

Jacqueline Frausto-Ramirez

Court Liaison

8620 California Avenue, California

3235635400

Local

Law Enforcement

http://cityofsouthgate.org/233/Police

10-06527

Jul 11, 2010

South Gate Police Department

Black

Brown

Brown

Oct 10, 2026


Area Last Seen:

Case Description

Any updates on this case? Let us know!
Summary based on the NamUs case record (MP71446) and 3 other sources
Guillermo Flores, a 17-year-old from South Gate, California, was last seen on July 1, 2010. At the time of his disappearance, Guillermo left his home with all of his belongings, suggesting that he may have been planning to leave for an extended period. He was reported missing shortly after, and little information has surfaced since that day. His case remains open, with no major developments publicly reported in the years following his disappearance.

Guillermo is described as a Hispanic male with black hair, standing about 5 feet 7 inches tall, and weighing approximately 140 pounds. At the time of his disappearance, he had no known medical conditions or any specific indications of foul play. His case has been listed in several missing person databases, but despite ongoing efforts by authorities, including his profile being featured by organizations such as the National Missing and Unidentified Persons System (NamUs), no significant leads have emerged.

The fact that Guillermo left with all of his possessions has led to some speculation that he may have intended to run away, but authorities have not ruled out other possibilities. His case remains unsolved, and his family and the South Gate community continue to seek answers regarding his whereabouts. Anyone with information is encouraged to contact the relevant authorities to help bring closure to this long-standing case.
Last Seen: Jul 1, 2010

Links to Additional Sources (3)

See any mistakes? Let us know!
  • Missing Person / NamUs #MP71446
  • Missing Children Data from NAMUS website - GitHubのGist
  • Missing ‼ Guillermo Tomas Flores ‼ Traveling from Carlsbad, CA

    • 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.

    87%Strong
    John Doe — Los Angeles, California - unidentified case UP12158
    John Doe — Los Angeles, California
    UP12158 • Found Jan 7, 2014
    View case
    Sex ✓Male
    Age 100%Est. 14–18 vs 17 when missing
    Race 100%Hispanic
    Location 100%8 mi away, same county
    TimingFound 4 years after last seen
    Height 100%5'7"–5'11" vs 5'7"
    Weight 100%150–175 lb vs 140 lb
    Hair 100%Black vs Black
    Eyes 100%Brown vs Brown
    84%Moderate
    John Doe — Compton, California
    UP10299 • Found Dec 26, 2011
    View case
    Sex ✓Male
    Age 82%Est. 20–28 vs 17 when missing
    Race 100%Hispanic
    Location 100%4 mi away, same county
    TimingFound 18 months after last seen
    Height 100%5'5"–5'9" vs 5'7"
    Weight 87%163 lb vs 140 lb
    Hair 100%Black vs Black
    Eyes 100%Brown vs Brown
    83%Moderate
    John Doe — Jurupa Valley, California - unidentified case UP118442
    John Doe — Jurupa Valley, California
    UP118442 • Found Jun 30, 2022
    View case
    Sex ✓Male
    Age 100%Est. 28–42 vs 17 when missing
    Race 100%Hispanic
    Location 91%44 mi away, same state
    TimingFound 12 years after last seen
    Height 100%5'4"–5'6" vs 5'7"
    Weight 100%135 lb vs 140 lb
    Hair 100%Black vs Black
    Eyes 100%Brown vs Brown
    82%Moderate
    John Doe — Los Angeles, California
    UP16226 • Found Dec 2, 2016
    View case
    Sex ✓Male
    Age 83%Est. 25–40 vs 17 when missing
    Race 100%Hispanic
    Location 100%9 mi away, same county
    TimingFound 6 years after last seen
    Height 100%5'0"–5'6" vs 5'7"
    Weight 77%170–200 lb vs 140 lb
    Hair 100%Black vs Black
    Eyes 100%Brown vs Brown
    82%Moderate
    John Doe — Riverside, California
    UP160854 • Found May 27, 2025
    View case
    Sex ✓Male
    Age 100%Est. 28–42 vs 17 when missing
    Race 100%Hispanic
    Location 91%43 mi away, same state
    TimingFound 15 years after last seen
    Height 100%5'6" vs 5'7"
    Weight 100%135 lb vs 140 lb
    Hair 100%Black vs Black
    Eyes 100%Brown vs Brown
    81%Moderate
    John Doe — Marina del Rey, California
    UP163485 • Found Sep 7, 2026
    View case
    Sex ✓Male
    Age 100%Est. 20–35 vs 17 when missing
    Race 100%Hispanic
    Location 98%16 mi away, same county
    TimingFound 16 years after last seen
    Height 100%5'7"–5'9" vs 5'7"
    Weight 77%170–180 lb vs 140 lb
    Hair 100%Black vs Black
    80%Moderate
    John Doe — La Puente, California - unidentified case UP106330
    John Doe — La Puente, California
    UP106330 • Found Jul 2, 2023
    View case
    Sex ✓Male
    Age 85%Est. 30–55 vs 17 when missing
    Race 100%Hispanic
    Location 98%16 mi away, same county
    TimingFound 13 years after last seen
    Height 84%5'0"–5'5" vs 5'7"
    Weight 100%140–155 lb vs 140 lb
    Hair 100%Black vs Black
    Eyes 100%Brown vs Brown
    80%Moderate
    John Doe — San Bernardino, California - unidentified case UP159177
    John Doe — San Bernardino, California
    UP159177 • Found Mar 30, 2026
    View case
    Sex ✓Male
    Age 100%Est. 25–35 vs 17 when missing
    Race 100%Hispanic
    Location 88%55 mi away, same state
    TimingFound 16 years after last seen
    Height 100%5'6" vs 5'7"
    Weight 54%183 lb vs 140 lb
    Hair 100%Black vs Black
    Eyes 100%Brown vs Brown
    79%Possible
    John Doe — Los Angeles, California - unidentified case UP58827
    John Doe — Los Angeles, California
    UP58827 • Found Jun 25, 2019
    View case
    Sex ✓Male
    Age 85%Est. 25–50 vs 17 when missing
    Race 100%Hispanic
    Location 100%6 mi away, same county
    TimingFound 9 years after last seen
    Height 84%5'2"–5'5" vs 5'7"
    Weight 84%105–115 lb vs 140 lb
    Hair 60%Brown vs Black
    Eyes 100%Brown vs Brown
    78%Possible
    John Doe — Los Angeles, California - unidentified case UP12379
    John Doe — Los Angeles, California
    UP12379 • Found Jan 26, 2014
    View case
    Sex ✓Male
    Age 56%Est. 25–45 vs 17 when missing
    Race 100%Hispanic
    Location 100%4 mi away, same county
    TimingFound 4 years after last seen
    Height 100%5'3"–5'8" vs 5'7"
    Weight 100%150–160 lb vs 140 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.

    Latest News

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    Forum Posts (3)

    Hey everyone, I've been following Guillermo Flores' case for a while, and something that stands out... ...Read More
    10/22/2024
    I recently came across Guillermo Flores' case and something really stood out to me. It seems like... ...Read More
    10/04/2024
    Did anyone else notice that Guillermo Flores took all of his belongings with him when he... ...Read More
    04/27/2024

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