Theodore John Kaczynski, widely known as the Unabomber, was an American mathematician and domestic terrorist who conducted a violent, decades-long campaign against modern industrial society. A former mathematics prodigy, Kaczynski earned a doctorate and became the youngest assistant professor in the history of the University of California, Berkeley. However, he abruptly resigned his academic position in 1969 to pursue a reclusive, primitive lifestyle in a remote cabin near Lincoln, Montana, where he lived without electricity or running water.
Driven by a radical ideology that viewed technological advancement as a fundamental threat to human freedom and the natural environment, Kaczynski initiated a lone wolf terrorism campaign in 1978. Over the next seventeen years, he mailed or hand-delivered sixteen sophisticated bombs that killed three people and injured 23 others. His targets were primarily individuals he believed were responsible for advancing technology, including university professors, computer scientists, and corporate executives. The FBI investigation, codenamed UNABOM, became the longest and most expensive in the agency's history.
In 1995, Kaczynski demanded that major newspapers publish his 35,000-word manifesto, Industrial Society and Its Future, threatening further violence if his demands were not met. The essay argued that the industrial-technological system was inherently destructive and impossible to reform, advocating for a revolution to restore human autonomy. Following the publication of the manifesto in The Washington Post, Kaczynski's brother, David Kaczynski, recognized the distinctive prose style and alerted the FBI, leading to Ted's arrest at his Montana cabin in April 1996.
Following his capture, authorities discovered a vast cache of evidence, including bomb-making components, improvised firearms, and 40,000 pages of handwritten journals that detailed his criminal activities and philosophical motivations. Although his defense team attempted to pursue an insanity defense, Kaczynski rejected this strategy and pleaded guilty to all charges in 1998. He was sentenced to multiple consecutive life terms without the possibility of parole. Kaczynski remained incarcerated until his death by suicide in June 2023.