Missoula, MT (KGVO-AM News) - On June 19, 2025, the Sheriff and Coroner, Jermiah Petersen, confirmed that remains found on May 18, 2025, in the Upper Rattlesnake search area were those of 42-year-old Nicole Heimer, residing in Missoula, Montana. According to Communications Coordinator Jeannette Smith, Ms. Heimer was reported missing on April 22, and her vehicle was observed at the Sawmill Gulch trailhead.

"An extensive multi-agency search began on April 23, with members of Missoula County Search and Rescue, Missoula County Sheriff’s Office, City of Missoula Police Department, and U.S. Forest Service that spanned several days," Smith said.

On April 28, 2025, the Missoula Police Department announced that they were still searching for Ms. Heimer. Police Public Information Officer Whitney Bennett said multiple agencies conducted an extensive search of the Rattlesnake Recreation Area and surrounding backcountry to locate Ms. Heimer.

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"Crews deployed ground teams, K9 units, drones, and motorized assets to cover the area's varied off-trail terrain," Bennett said. "More than two dozen personnel, including 21 highly trained (MCSAR) volunteer members, logged over 275 miles and 150 hours during the search operation. While field operations have concluded for now, MCSAR and partnering agencies remain ready to redeploy should new information emerge about Ms. Heimer’s whereabouts."

Read More: Ongoing Search For Nicole Heimer: Latest News And Updates

On May 17, Smith said a recreationist reported additional information that led to the discovery of human remains in the Upper Rattlesnake search area.

"The remains were recovered and transported for identification to the Montana Medical Examiner’s Office in Missoula," Smith said. "Our sincere thoughts and heartfelt condolences go out to the family and friends during this very difficult time. Questions regarding the missing persons case should be directed to the City of Missoula Police Department."

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