Is the Zodiac Killer Still Out There?

The Chronicle once got taunting letters and cryptograms from the Zodiac Killer. More than 50 years later, it still gets a stream of tips, many identifying a suspect they think ought to be arrested. Those messages mostly go to Kevin Fagan, the veteran reporter who knows more about the case than almost anyone. He joins Demian Bulwa to talk about how he sifts through the info from online sleuths, and he weighs in on the recent news that some of the Zodiac's ciphers have been decoded. | Unlimited Chronicle access: sfchronicle.com/pod

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