Travis Decker is accused of killing his three young daughters, whose bodies were found near a campground in central Washington.

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.

DNA matching Travis Decker, the man suspected of killing his three daughters in Washington state, was the only DNA found at the scene of the girls’ deaths other than their own, officials in Washington state announced.