Decker, who is charged with killing his three young daughters, had lived off the grid "for approximately 2.5 months on one occasion," according to an affidavit.

The Chelan County Sheriff’s Office and the U.S. Forest Service reopened the Icicle Creek area near Leavenworth on Sunday, according to a post from the sheriff’s office.

The search for Travis Decker, father and main suspect of the murder of three Wenatchee sisters, has intensified in Chelan County.