"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.

The hunt has narrowed for murder suspect Travis Decker after hikers reported a sighting near a remote alpine lake in Washington.

Authorities believe they have tracked Travis Decker, an ex-soldier wanted in the death of his three young daughters, to Blewett Pass, an isolated stretch of the Cascades in central Washington.