A man believes his dad is the Zodiac Killer in this trailer for FX's first true crime docuseries
There’s no shortage of films and documentaries unpacking the enigma of the Zodiac, the still-unidentified serial killer who plagued Northern California in the late ‘60s and early ‘70s. But what separates The Most Dangerous Animal of All from the rest is Gary L. Stewart, whose investigation is informed by blood—he…