Jacob Tremblay on Unpacking the Unabomber's Mindset Jacob Tremblay's journey into the world of Ted Kaczynski began innocently enough.
He was cast to play the young version of the infamous Unabomber in a documentary series, "Unabomber, In His Own Words.
" As he immersed himself in Kaczynski's story, Tremblay became increasingly fascinated by the complexities of the man's ideology and the circumstances that led him down a path of domestic terrorism.