Unidentified person, Nederland, Colorado (2017)

A hiker in Boulder County, Colorado located a human skull near Mudd Lake on October 2, 2017. Additional searches were undertaken in the area but no additional remains were found. Anyone with informati

From the Colorado Bureau of Investigation cold case file. Records change. The source is the authority.

Got ten minutes? Do one of these.

Which physical details, belongings, and dates are documented, and who has been ruled out?

• List every documented detail: clothing, jewelry, tattoos, dental work, estimated age.
• Search missing-person records from nearby states in the years before the discovery.
• Note anything distinctive that someone who knew this person would recognize.

New to this? Read the field guide. Five short lessons.

What is out there.

Nobody has researched this case yet. Have the AI search the web for reporting, podcasts and videos about it.