A Park Service backpacking trip turns deadly when hikers are caught in a steep canyon during a flash flood.
They hike river bottoms and arroyos searching for the origin of the fourth body, leaning on each other to overcome their f.
Park Service Investigator Doug Fletcher teams up with rangers Jill Rickowski and Liz Carpenter, and Navajo Nation Policeman Jamie Ballard.
Three hikers are swept away, but a rescue team recovers four bodies.
A Park Service backpacking trip turns deadly when hikers are caught in a steep canyon during a flash flood