Federal prosecutors say North Carolina man Seth Pickering fatally stabbed his daughter in front of a park ranger before saying, "She's happier now"
Seth Willis Pickering is charged with first-degree murder in the death of Lila Pickering.
Federal prosecutors say the man was in a custody battle over the girl and told the rangers, "Now they will never be able to take her away from me"
Rangers said Seth Pickering fatally stabbed his daughter Lila on Friday night moments after the two officers reached the pair near a parkway in the Appalachian Highlands.
Seth Pickering is facing a murder charge for the stabbing death of his 6-year-old daughter, Lila, near the Blue Ridge Parkway in North Carolina.