(CNN) — Months after the bodies of three young sisters were found abandoned in the Washington state wilderness, authorities believe they’ve found the remains of the man accused of killing them: their father.

Investigators found human remains in the dense woods south of Leavenworth – just a few miles from the campground where the girls’ bodies were found. The grisly discovery this week could mark the end of a manhunt that stretched deep into the wilderness and yielded false alarms across states where tipsters thought they had spotted Travis Decker .

“While positive identification has not yet been confirmed, preliminary findings suggest the remains belong to Travis Decker,” the Chelan County Sheriff’s Office said in a Thursday statement.

The remains – including bone fragments, along

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