Authorities intensify manhunt for Travis Decker, who is accused of killing his three daughters, as they warn one mistake will lead to his capture in the Washington wilderness.

The investigation has "evolved and matured," and as a result, their approach to the investigation will also require a "change in tactics." ...

Results of autopsies for the three girls killed at a remote campsite, about 18 miles west of Leavenworth last weekend, ...

Paityn Decker, 9; Evelyn Decker, 8; and Olivia Decker, 5, were located on June 2 near the Rock Island Campground in Chelan ...

A gathering at Seattle City Hall Plaza addressed the tragic deaths of the Decker sisters and called for safety reforms.

"As we understood based on the information we got back, was that the sighting in McCall, Idaho, was not our suspect," Chelan ...

The Chelan County Sheriff's Office reports tracking teams believe Travis Decker is in the Blewett Pass/Highway 97 area.

Police have said they believe they are 'closing in' on Travis Decker, the father accused of killing his three young daughters ...