The person at the center of this case
Roxanne Colleen Leadbeater
Homicide · Open
184 days waiting
ROXANNE COLLEEN LEADBEATER - PLATTEVILLE, COLORADO
Justice for Roxanne Colleen Leadbeater — the trail went cold in 2026, but the truth hasn't.
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Key leads to think about
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evidence
Lead #1Roxanne was wearing a red knitted short-sleeve sweater and brown pants when discovered—could clothing help establish timeline or identify witnesses?
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timeline
Lead #2What explains the gap between her disappearance in California (1972-1973) and her remains being found in Colorado? How did she travel between states?
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clue
Lead #3Cause and manner of death remain undetermined—what forensic evidence might still be recoverable from the skeletal remains?
In November 1973, skeletal remains were discovered on the bank of the Saint Vrain River in Platteville, Colorado, appearing to have been deceased for several months. The remains were not identified until 2024 as Roxanne Colleen Leadbeater, who had gone missing from California in 1972 or 1973. The cause and manner of her death remain unknown, and investigators seek any information that could help determine what happened to her.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
👁️
witness
Lead #4Did anyone see Roxanne in Colorado before her death, or know of her connection to the Saint Vrain River area?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
In November of 1973 skeletal remains of an individual were located on the bank of the Saint Vrain River in Platteville, Colorado. It appeared that they had been dead for several months.
In 2024, the remains were identified as Roxanne Colleen Leadbeater. According to family, Leadbeater had gone missing from California in 1972 or 1973.
Roxanne Leadbeater’s cause and manner of death are unknown. Anyone with information regarding Leadbeater’s case are urged to contact the Weld County Sheriff’s Office.
Remarks: Roxanne was wearing a red knitted short-sleeve sweater and brown pants.
Timeline of Events
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1972-1973
Roxanne Leadbeater goes missing
Roxanne Colleen Leadbeater went missing from California sometime in 1972 or 1973
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1973-11
Skeletal remains discovered
Skeletal remains of an individual were located on the bank of the Saint Vrain River in Platteville, Colorado, appearing to have been dead for several months
🕵️
2024
Remains identified
The skeletal remains were identified as Roxanne Colleen Leadbeater through forensic analysis
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:Invalid Date
Last Updated:September 12, 2026
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Case Information
Incident:Invalid Date
Last Updated:September 12, 2026