Travis Decker is accused of suffocating his daughters during a recent camping trip in Washington. Authorities say the Army veteran is "well versed in wilderness survival" and considered dangerous.

Travis Decker remains at large more than a week after the bodies of his three daughters were discovered at a remote Washington campsite, authorities say

As the manhunt continues for Travis Decker, the father suspected of killing his three young daughters in Washington state, officials are releasing more information about what was found at the crime scene.

Results of autopsies for the three girls killed at a remote campsite, about 18 miles west of Leavenworth last weekend, revealed the cause of death was suffocation, and the manner of death is now officially being called homicide, according to the Chelan County Sheriff’s Office.

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.

Google searches and blood evidence are the latest tools being used in the manhunt for a former active duty soldier accused of murdering his own children.

The Chelan County Sheriff’s Office has issued a community alert for the area of Ingalls Creek and Valley High as law enforcement searches for suspect Travis Decker.

The Chelan County Sheriff’s Office announced Monday it has handed over the search for Travis Decker to federal authorities, even as sheriff’s detectives continue to lead the investigation into the killings of Decker’s three young daughters.