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Case Description

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Summary based on 1 source
In the autumn of 2009, a family's life was irrevocably altered by the disappearance of a young man named Diesko Steiner. A 15-year-old male, Diesko was last seen in the vibrant and bustling city of Berkeley, California, on November 12, 2009. At the time he went missing, he was described as a Black male with black hair and brown eyes, standing at a height of 5'8" and weighing 140 pounds. The last known description of his attire included a yellow shirt with blue checkers on the front, blue jeans, and black and white shoes. The Berkeley Police Department was tasked with the investigation into his sudden disappearance, under case number 0965940, and the California Department of Justice also lists his case, number 82574, in their missing persons database.

The circumstances surrounding Diesko Steiner's disappearance remain largely unavailable in public records. There is a lack of widespread media coverage detailing the events of November 12, 2009, or the subsequent investigation. This absence of information leaves many questions unanswered about what might have happened to the teenager. For his family and community, the lack of new information over the years has undoubtedly been a source of ongoing pain and uncertainty. The search for answers continues, driven by the hope that one day, information will surface that can shed light on Diesko's whereabouts.

The case of Diesko Steiner is a somber reminder of the many individuals who go missing each year, their stories often fading from public view as time passes. Despite the passage of more than a decade, his case remains open. The Berkeley Police Department continues to list the case, and anyone with information is encouraged to contact them at (510) 981-5938. The official records serve as a quiet testament to a life interrupted, a family left in limbo, and a community still waiting for answers. The overview of this case is one of a sudden disappearance followed by a prolonged and painful period of silence, with very few details available to the public to piece together the narrative of what happened to the 15-year-old boy who vanished on a fall day in Berkeley.

Last Seen: Nov 12, 2009

Links to Additional Sources (1)

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Possible Unidentified Matches (3)

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.

79%Possible
John Doe — Sacramento, California - unidentified case UP113028
John Doe — Sacramento, California
UP113028 • Found Nov 13, 2023
View case
Sex ✓Male
Age 100%Est. 18–32 vs 15 when missing
Race 100%Black
Location 75%Same state
TimingFound 14 years after last seen
Height 100%5'8" vs 5'8"
Weight 99%155 lb vs 140 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
77%Possible
John Doe — Hawthorne, California - unidentified case UP132198
John Doe — Hawthorne, California
UP132198 • Found Aug 7, 2024
View case
Sex ✓Male
Age 100%Est. 18–25 vs 15 when missing
Race 100%Black
Location 75%Same state
TimingFound 15 years after last seen
Height 100%5'8"–5'11" vs 5'8"
Weight 100%150–200 lb vs 140 lb
Hair 100%Black vs Black
75%Possible
John Doe — Sausalito, California
UP100140 • Found Feb 7, 2023
View case
Sex ✓Male
Age 85%Est. 20–40 vs 15 when missing
Race 100%Black
Location 75%Same state
TimingFound 13 years after last seen
Height 100%5'8"–5'10" vs 5'8"
Weight 100%150–175 lb vs 140 lb
Hair 100%Black vs Black

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.