LEAVENWORTH, Wash - Law enforcement officers will swarm the mountains near Leavenworth this week in a coordinated search for the man accused of killing his three daughters in late May.

The FBI's Seattle office and the Chelan County Sheriff's Office held a news conference Monday, saying nearly 100 specialists from the FBI and other agencies are conducting a grid search for Travis Decker near the Rock Island Campground where the girls' bodies were found.

9-year-old Paityn, 8-year-old Evelyn and 5-year-old Olivia were found in the campground 17 miles from Leavenworth.

Their heads were covered plastic bags and their hands were ziptied. Investigators said last week only Decker's DNA was found at the scene.

Law enforcement has said in recent weeks and again Monday they had no idea if Decker

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