Officials said anyone residing in the area or staying in cabins should lock their doors and cars and check footage from cameras.

The Decker sisters were found dead on June 2, a few days after they were reported missing during a "planned visitation" with their father, Travis. Here's a complete timeline of the search for Travis Decker.

Authorities say they believe they spotted Travis Decker, an ex-soldier wanted in the deaths of his three daughters, in the remote backcountry of Washington state, after receiving a tip from hikers who said they saw a lone person who appeared to be ill-prepared for the conditions.

North Cascades National Park closes trails to support the ongoing manhunt for Travis Decker, ensuring visitor safety and cooperation.

Travis Caleb Decker, 32, is wanted by Wenatchee police on charges, including three counts of first-degree murder and first-degree kidnapping.

Washinton police have been searching for Travis Decker, 32, since he did not return his three daughters to their mother May 30.

The manhunt continues for Travis Decker, the father suspected of killing his three young daughters in Washington state.

Travis Decker's dog has been found as authorities continue to search for the man accused of killing his three daughters.