Boulder County, Colo. - The Boulder County Sheriff's Office, in conjunction with the Boulder County Coroner's Office, have an update on the missing persons investigations associated with the Marshall Fire which began on Dec. 30, 2021.

Investigators working in the 5900 block of Marshall Road, unincorporated Boulder County, have located partial human remains of an adult. Investigators from both the Sheriff's Office and Coroner's Office continue to actively work at this scene.

The investigation in the 1500 block of S. 76th Street, Superior, remains ongoing. There are no further updates at the time of this release.

In addition, there are no updates on the continuing investigation into the cause and origin of the Marshall Fire. The weather has been a factor in the speed at which the investigations and recovery are able to be conducted.

The Boulder County Coroner's Office will be responsible for identifying the remains found and determining the cause and manner of death.

We will continue to provide updates as they become available.

The Boulder County Sheriff's Office associated case numbers are: 21-6298 and 22-62.