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.

Law enforcement will be embracing "a change in tactics" while searching for the Wenatchee father accused of kidnapping and murdering his three daughters earlier this month.

"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.