Male blood found where 3 sisters in Washington were killed, while search for their father continues

Male blood found where 3 sisters in Washington were killed, while search for their father continues

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

This undated photo provided by Whitney Decker shows Paityn, Olivia and Evelyn Decker. (Courtesy of Whitney Decker via AP)