Episode 37 My Suspect Mac Part 1 of 2 'Meet Mac' In part 1 of this 2 part episode, co-host Mike Morford introduces you to his pet suspect 'Mac'; William McDuff Andrew. Mike discusses how he developed Mac as a POI, and why he was confident enough to go on record saying that he believes with 100% certainty that Mac was the Zodiac Killer. In Part 2 of this episode, you'll hear from Criminologist Dr. Lee Mellor, and Geoprofiler, Douglas MacGregor to see how Mac stacks up against their profiles of the Zodiac. To listen to every episode of this show AD-FREE and get benefits like bonus and early-access episodes of every other show on the AbJack Network, consider an AbJack Insider subscription from Apple Podcasts. For all things Zodiac Speaking, check out our homepage: https://www.abjackentertainment.com/zodiac-speaking 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/