A federal helicopter scours Teanaway Valley as the triple homicide investigation deepens. The search for Travis Decker continues.

Nearly three weeks after the bodies of three young girls were discovered at a remote campground west of Leavenworth, the once-intense search for their father and suspected killer, Travis Decker, appears to have slowed its fervent pace.

Authorities are searching for Travis Decker, the man accused of murdering his three young daughters, in Washington's Chelan and Kittitas counties.