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04:06 — The team looks into a theory of what may have led up to JonBenet's death.
03:06 — A Sargent volunteers to participate in a demonstration to test the theory that a stun gun was used to sedate JobBenet.
04:54 — Dr. Spitz explains a potential murder weapon and conducts an experiment to see if a child could have been the killer.
04:49 — The team attempts to uncover background noise from Mrs. Ramsey's 9-1-1 call.
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Here's how everything changed in "Chapter 6"