Episode 12 1978 to 2001 Although the Zodiac's last official confirmed letter was mailed in 1974, from 1978-2001, a steady flow of unconfirmed, and possibly hoaxed letters continued to come in. Crimes that bore a similar MO to the serial killer were often blamed on him. Follow Zodiac Speaking on Facebook at: https://www.facebook.com/Zodiac-Speaking-Podcast-105911481547105 or on Twitter at: https://twitter.com/PodcastZodiac Visit Mike Morford's Zodiac site at: https://zodiackiller.net/ And Richard Grinell's Zodiac site at: https://www.zodiacciphers.com/