Photo of pine trees covered by fog

David Cook

  • Cold Case (Missing)

About David Cook's case

According to Denver Post,

David Cook was reported missing on September 20, 2016, after not returning from a solo climb.

During an investigation into Cook’s disappearance, deputies learned that Cook had arrived at the area shortly after 11a on Monday, September 19, 2016, the release said.

“Deputies learned that Cook had been seen on Monday (September 19) hiking near the trail to Maroon Peak,” according to the sheriff’s office. “Additionally, Cook’s cell phone pinged cell towers in Aspen and Gunnison County later in the day on Monday. It is not unusual for cell phones at high elevations to ping cell towers from the wilderness.”

Cook was also reported to have been seen, investigators say, on the morning of September 20, 2016 by a U.S. Forest Service employee near Maroon Lake, which was his last confirmed sighting.

Cook is described as a former Marine and expert mountaineer with a breadth of experience in the backcountry.

Personal Characteristics

Age / Ethnicity

Gender / Hair / Eyes

Distinguishing Marks

Not Available

Profession / Education

Not Available

Height / Weight

Not Available

Activity

Not Available

POIs

Last Known Location

Investigative Details

  • Foul Play Suspected: Unknown / Undisclosed
  • Suicide Suspected: Unknown / Undisclosed
  • Cause of Death: Not Applicable

Significant Dates

  • Reported Missing: Tuesday, September 20, 2016 (8 years ago)
  • Date Found: No Date Available

Entities

Local Law Enforcement

Administrative Details

Monday, January 8, 2024 (7 months ago)

Missing NPF Public Identification Number (MPID) 10312

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