"We're going to keep the pressure on," the Chelan County Sheriff told USA TODAY June 12 as he prepared to board a helicopter to help in the search.

A hiker reported seeing a lone man who looked ill-prepared for the wilderness. A helicopter crew then saw a man in the Enchantments area. He “ran from sight.”

Authorities converged along Highway 97 late Monday in a reinvigorated search for a Wenatchee father accused of killing his three daughters, whose bodies were found last week west of Leavenworth.