The person at the center of this case
Roxanne Colleen Leadbeater
Homicide · Open
48 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 found—do these items match descriptions from her disappearance?
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timeline
Lead #2How did Roxanne travel from California to Colorado, and what is the timeline between her 1972-1973 disappearance and November 1973 discovery?
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location
Lead #3Why were her remains located on the Saint Vrain River bank in Platteville—was this the crime scene or a disposal location?
In November 1973, skeletal remains were discovered on the bank of the Saint Vrain River in Platteville, Colorado, believed to have been deceased for several months. The remains were identified in 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 might explain how she came to be in Colorado and what led to her death.
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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.
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clue
Lead #4What caused her death, and are there any connections to other missing persons cases from that era in California or Colorado?
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 disappeared from California in 1972 or 1973
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1973-11
Skeletal remains discovered
Remains found on the bank of the Saint Vrain River in Platteville, Colorado; appeared to have been deceased for several months
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2024
Remains identified
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:April 29, 2026
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Case Information
Incident:Invalid Date
Last Updated:April 29, 2026