Authorities say blood discovered at a campsite where three young Washington state sisters were found dead last week belonged to a male.

After law enforcement officers spent days scouring a remote section of Washington State for a father accused of killing his three young daughters, the local sheriff leading the manhunt turned over the search to federal authorities,

Paityn Decker, 9; Evelyn Decker, 8; and Olivia Decker, 5, were located on June 2 near the Rock Island Campground in Chelan County, Washington, police said.