DNA testing has confirmed Travis Decker, a Washington state father accused of killing his three daughters in June, is the sole suspect in the murders, authorities said Tuesday.

The Washington State Crime Lab completed an analysis showing DNA profiles found at the crime scene matched Travis Decker's.

As the search for Travis Decker -- the dad accused of killing his three daughters -- has almost reached the three-month mark, officials are revealing disturbing new details about the crime scene and the evidence that they say indicates he is the sole suspect.