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

Authorities say they believe they spotted Travis Decker, an ex-soldier wanted in the deaths of his three daughters, in the remote backcountry of Washington state, after receiving a tip from hikers who said they saw a lone person who appeared to be ill-prepared for the conditions.

The deaths of three young girls in central Washington state have prompted cries for reform because an Amber Alert was never sent for the sisters.

Whitney Decker is enduring an unimaginable nightmare. Her three daughters were discovered deceased near a campsite, and their father - her ex-husband Travis Decker - is on the run, authorities say. The Chelan County Sheriff's Department has labeled Decker a murder suspect and confirmed the

The man - thought to be Travis Decker - ran from sight as a police helicopter swooped over the remote rural land in Washington, United States, following a tip-off from hikers

Travis Decker remained missing despite a multi-jurisdictional manhunt in effect for the 32-year old father and U.S. Army veteran.

On Thursday, her GoFundMe soared past $1 million from more than 21,000 donors. This comes as the world mourns Whitney’s three young girls: Paityn, 9, Evelyn, 8, and Olivia, 5, were found dead near the Rock Island Campground in Leavenworth. Their father, Travis Decker, is accused of murdering them.

Travis Decker is wanted on charges of murder, kidnapping and custodial interference after Paityn, Evelyn and Olivia Decker were found dead.

Federal authorities have taken command of the manhunt for a former soldier charged with killing his three young daughters at a remote campsite in Washington state. The Chelan County Sheriff's Office,