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(NewsNation) — The bloody handprint found on the pickup truck of a Washington state father sought in connection with the killing of his three young daughters appears to be adult-sized, the sheriff leading the manhunt said Wednesday.

Chelan County Sheriff Mike Morrison told NewsNation that the handprint discovered on the back of Travis Decker's truck "was about the size of an adult handprint," but authorities are unsure whether it came from Decker or someone else who may have been at the scene.

"We're not ruling anything out," Morrison said on NewsNation’s “Banfield,” adding that crime lab teams collected samples and spent several hours processing the scene whe

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