Zodiac Killer Identified: Zodiac had Dyslexia?

Both Zodiac and Don Harden show possible signs of having Dyslexia.
Zodiac Killer Identified: Zodiac had Dyslexia?
Zodiac Killer Identified: Zodiac had Dyslexia?
Zodiac Killer Identified: Zodiac had Dyslexia?

Dyslexia?