Episode 8 Mount Diablo, The Mikado, and more Mysterious MailingsThroughout 1970, the Zodiac continued to mail taunting letters, notes, and codes- some of it referenced Mount Diablo, and the Gilbert & Sullivan production, The Mikado. Meanwhile, in the SF Bay area and beyond, multiple letters and threats, though unconfirmed to be Zodiac, were quickly attributed to him.Follow Zodiac Speaking on Facebook at:https://www.facebook.com/Zodiac-Speaking-Podcast-105911481547105or on Twitter at:https://twitter.com/PodcastZodiacVisit Mike Morford's Zodiac site at:http://zodiackillersite.com/And Richard Grinell's Zodiac site at:https://www.zodiacciphers.com/