Search for Missing Man in Yellowstone National Park Continues; Half-brother found dead

GREAT FALLS – Yellowstone National Park search and rescue workers continue to search for a missing man after the man’s half-brother is found dead.

Search parties found Mark O’Neill’s body on the east bank of Lake Shoshone on Monday, September 20, 2021. There is currently no information on the possible cause of death.

O’Neill, 67, of Chimacum, Washington, and his half-brother Kim Crumbo, 74, of Ogden, Utah, were born on Sunday, Lake 19th.

The search for Crumbo will continue on foot and by helicopter and boat on Lake Shoshone and will continue for the next few days if conditions warrant, a park staff press release said Wednesday.

The press release stated, “This incident is still under investigation. While we cannot comment on the details of this investigation, we will provide updates as necessary.”

(SEPTEMBER 21, 2021) A man was found dead and his half-brother is missing in Yellowstone National Park.

Search and rescue workers found the body of Mark O’Neill on the east bank of Shoshone Lake on Monday, September 20, 2021.

O’Neill, 67, of Chimacum, Washington, and his half-brother Kim Crumbo, 74, of Ogden, Utah, were born on Sunday, Lake 19th.

Park crews found a vacant campsite with equipment on the south side of Lake Shoshone on Sunday, as well as a canoe, paddle, personal flotation device and other personal items on the eastern shore of the lake.

Crews found O’Neill’s body on the east coast Monday morning; There is currently no word on the alleged cause of death.

Search and rescue will continue on Tuesday, September 21, with 10 crew members walking the area to find Crumbo. The inter-agency ship and crew of Grand Teton National Park also assist with flight operations.

Yellowstone National Park said in a press release that O’Neill and Crumbo are both National Park Service retirees and Crumbo is a former Navy SEAL.

Park officials said the incident is being investigated and that “while we cannot comment on the details of this investigation, we will provide updates if necessary. We ask the public to keep their distance from law enforcement personnel, equipment and vehicles and their related activities for the safety of the public in this remote area and to protect the integrity of our work. “

Shoshone Lake, the park’s second largest lake, is at the head of the Lewis River southwest of West Thumb. The average temperature of the lake is around 9 ° C all year round. The survival time in water at this temperature is estimated to be only 20 to 30 minutes.

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