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Coroner rules Niwot man’s death a suicide by cyanide poisoning

Kelcey Clarke found dead on Nov. 12 in vehicle

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The Boulder County Coroner’s Office has determined that the death of a Niwot man in November was suicide by cyanide poisoning.

Kelcey Clarke, 51, was found on Nov. 12 in his vehicle the 6,000 block of Countryside Lane after family members requested a welfare check when he was not heard from for several days.

In an autopsy report released Thursday, forensic pathologist Dr. Daniel Lingamfelter wrote Clarke had a lethal level of cyanide in his blood, and ruled the cause of death cyanide toxicity.

Lingamfelter ruled the manner of death a suicide, noting a suicide-type note was found at the scene and family members said Clarke had recently been under financial stress.

According to an online obituary, Clarke was born in Akron, Ohio before moving with his family to Boulder when he was 3 years old and graduated from Boulder High School. He most recently was working as a marketing agent, according to the obituary.

“Kelcey was a very quiet and private person,” the obituary read. “Always learning, he attended Sunday School at Second Baptist Church. The Broncos were his favorite team and his favorite player was Floyd Little. He was an avid collector of comic books, enjoyed watching science fiction and mystery movies. As a member of a film club, there were robust discussions about the movies they attended.”


Resources for those in crisis

If facing an emergency: Call 911

Mental Health Partners: To request services, 303-443-8500; walk-in center, 3180 Airport Road, Boulder, 303-447-1665

COACT Colorado’s crisis hotline: 1-844-493-8255 (TALK) or, text “TALK” to 38255

National hotline: 1-800-SUICIDE or 1-800-784-2433

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