Authorities say new evidence shows Travis Decker is the only person responsible for the deaths of his daughters.

As authorities continue their search for Travis Decker, the Washington state man accused of suffocating his three daughters to death, investigators now believe he is the only suspect in the crime based on evidence found at the gruesome scene.

Travis Decker remains on the loose after his three daughters were found dead in Washington state in June and authorities have now shared new crime scene details