Did the Zodiac Killer Write Anthrax Letters? Part 2
From Hit the Road Jack: Finding The Zodiac by Talk 4 Podcasting
April 10, 2026 · 51 min · Episode 225
About this episode
The episode explores the potential connection between the Zodiac Killer and anthrax letters through forensic analysis of communications from 2001 to 2005.
Kicking off the question is a pattern of proximity to Texas with Humble, Greendale, and Bush International airport as we discuss the forensics and examination of the final communications of the Zodiac Killer from 2001 – 2005. From handwriting and spacing to the folding of the paper and choice of pens used to create them, we see significant agreements in execution that leads me to believe the answer is yes… Hit the Road Jack: Finding the Zodiac is broadcast live Fridays at 10AM PT on K4HD Radio - Hollywood Talk Radio ( www.k4hd.com ) part of Talk 4 Radio ( www.talk4radio.com ) on the Talk 4 Media Network ( www.talk4media.com ). Hit the Road Jack: Finding the Zodiac TV Show is viewed on Talk 4 TV ( www.talk4tv.com ). Hit the Road Jack: Finding the Zodiac Podcast is also available on Talk 4 Media ( www.talk4media.com ), Talk 4 Podcasting ( www.talk4podcasting.com ), iHeartRadio, Amazon Music, Pandora, Spotify, Audible, and over 100 other podcast outlets. Become a supporter of this podcast: https://www.spreaker.com/podcast/hit-the-road-jack-finding-the-zodiac--5297837/support .
Topics covered
- Zodiac Killer
- forensics
- handwriting analysis
- communication
- anthrax letters
- Texas
Keywords
- Zodiac Killer
- anthrax letters
- forensics
- handwriting
- communication analysis
- Texas
- Humble
- Greendale
- Bush International airport
Mentioned in this episode
Organizations: Talk 4 Podcasting, K4HD Radio, Talk 4 Radio, Talk 4 Media Network, Talk 4 TV, iHeartRadio, Amazon Music, Pandora, Spotify, Audible
Books & works: Hit the Road Jack: Finding the Zodiac
Places: Texas, Humble, Greendale, Bush International airport
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