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Larimer County Coroner Identifies Victims of Fatal Head-On Collision on Highway 287 in Livermore

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Published on October 30, 2025
Larimer County Coroner Identifies Victims of Fatal Head-On Collision on Highway 287 in LivermoreSource: Clark Van Der Beken on Unsplash

A somber update has emerged from the Larimer County Coroners' Office following a devastating incident that occurred on October 17 as authorities responded to a grave scene along North Highway 287 in Livermore, Colorado, where a head-on collision claimed the lives of two drivers, according to the Larimer County Coroner’s Office.

The coroner's office has since identified the victims of this tragic accident, 29-year-old Matthew Scott MARLOR of Colorado Springs, and 70-year-old Daniel MACIAS-ARMENTERO of Laramie, Wyoming, with both men having been the only occupants in their respective vehicles at the time of the crash, and as per the release, they were pronounced dead at the accident scene.

Dr. J. White, D.O., carried out comprehensive forensic autopsies on both individuals on October 20 at the Larimer County Forensic Sciences Center; however, the investigation is still ongoing as toxicology testing is pending, the results of which will help illuminate the cause and manner of their deaths. The press release stated that the office will update with this information once it becomes available.