Crews search for former Navy SEAL after his half-brother was found dead in Yellowstone

Rescue teams are continuing their search for a former Navy SEAL after recovering the body of his half-brother on Monday in Yellowstone National Park, officials said.

Authorities found Mark O’Neill on the eastern shore of Lake Shoshone, the park’s second largest lake, according to the National Park Service. The cause of death was not immediately released.

O’Neill, 67, of Chimacum, Wash., And Kim Crumbo, 74, of Ogden, Utah – both retired from the parks service – were reported missing by a family member on Sunday after they did not return from their four night trip to the backcountry. , said the federal agency.

“On Sunday, September 19, park teams located a vacant campground with equipment on the south shore of Shoshone Lake, as well as a canoe, paddle, PFD and other personal effects on the east side of the river. lake, ”the NPS said. Teams found O’Neill’s body the next morning.

Authorities continued their search for Crumbo on Tuesday, with 10 crew members on the ground as a helicopter hovered overhead.

In addition to his military service, Crumbo spent two decades working as a ranger, park warden and wilderness coordinator in Grand Canyon National Park, the Salt Lake Tribune reported. He was a member of the Potawatomi tribe and a board member of the Rewilding Institute, a conservation program, according to his website.

Crumbo was also a frequent contributor to the Salt Lake Tribune, which reported that he was known to “write letters to the editor on protecting wolves, wild horses and the environment.”

The park service said the average year-round temperature at the lake is around 48 degrees. Survival time is estimated to be only 20 to 30 minutes in water at this temperature.