Robert Ralph Prough, a **31‑year‑old White male**, was last seen on **May 6, 2004** in **Lakewood**, located in **Los Angeles County, California**. At the time of his disappearance, Prough was described as approximately **6 ft 2 in tall**, weighing around **140 lbs**, with **brown hair and blue eyes**.
Few specifics are known regarding what preceded his disappearance. Publicly accessible records and missing‑person databases note simply that he was last seen in Lakewood on that date, but there is no available information describing his activities that day, who he was with, or where exactly in Lakewood he was last seen.
Law enforcement agencies, specifically the **Los Angeles County Sheriff’s Department**, opened an investigation under case number **004‑33294‑1322‑400**. Dentals, fingerprint records, and DNA information are documented as available — suggesting authorities took steps to preserve identifiers ‑‑ yet no substantive leads or confirmed sightings have emerged in the nearly two decades since his disappearance.
His case is also recorded in the **NamUs** database under **MP20118**, with creation date April 12, 2021, confirming the disappearance date and providing official government‑level tracking details. NamUs lists “last contact” on May 6, 2004, but offers no further descriptive narrative regarding the circumstances.
Available sources note that the investigation remains unresolved. According to publicly accessible entries, “few details have emerged,” and the case remains unsolved with no clear indication that Prough was located or that new developments have surfaced.
Despite this, law enforcement has maintained formal documentation of dental, fingerprint, and DNA data. These identifiers remain available for future comparison with unidentified remains or other investigative matches, reflecting a continued effort to keep the case open should new information or technology permit a breakthrough.
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Unfortunately, beyond the quantitative baseline details and official documentation, the public record offers very little narrative about where Robert was that day, the context of his disappearance, or whether any persons of interest or witness statements were collected. His case remains among the many unresolved missing‑person files in California, though authorities retain forensic records should the opportunity for identification or additional information arise.
Last Seen: May 06, 2004
