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.

The Chelan County Sheriff’s Office revealed in a social media post Tuesday that each victim, 5-year-old Olivia, 8-year-old Evelyn and 9-year-old Paityn, was found with multiple plastic bags over their heads. Two of them had two separate bags over their heads, while the third had three bags over her head, the post said.

DNA samples obtained from the bags and cable ties found near their bodies matched the profile for Decker, the sheriff’s office said. No other DNA was found on the bags or the cable ties, authorities added.

“The completion of thi

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