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03:21 — INSIDE EDITION sat down with Gary Stewart, who claims he's cracked the case of the Zodiac Killer and it's his father!
04:13 — CNN's Erin Burnett talks with Gary Stewart, the man who claims his father is the Zodiac Killer.
02:39 — Gary Stewart, author of a new Zodiac Killer book, tells CNN's Ashleigh Banfield why he thinks the killer was his father.
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Here's how everything changed in "Chapter 6"