Theodore Kaczynski: The Man Known as the Unabomber

Theodore Kaczynski, often called the “Unabomber,” is remembered as one of the most infamous criminals in modern American history. He is also known as the man who gave the FBI one of its greatest challenges.

What Did He Do?

From 1978 to 1995, Kaczynski carried out a series of bombings using homemade explosive devices. He targeted universities, airlines, and individuals involved in technology and modern industry. His attacks killed three people and injured more than 20. Because his targets were unpredictable and his bombs were carefully crafted, the FBI struggled for years to track him down.

Why Was the FBI Struggling?

At that time, the FBI had never faced such a long and complex case. Kaczynski lived in a small cabin in the mountains of Montana without electricity or running water. He left almost no digital or financial traces, which made traditional investigation methods ineffective. For nearly 17 years, he eluded capture, becoming one of the longest and most expensive manhunts in FBI history.

The Manifesto

In 1995, Kaczynski sent a long essay, later called the “Unabomber Manifesto,” to major newspapers. In it, he criticized industrial society and warned about the dangers of technology. He argued that modern life was destroying human freedom and nature. After a debate, the newspapers decided to publish it. Ironically, this action led to his capture—because his brother recognized his writing style and reported it to the authorities.

Impact on Society

Kaczynski’s actions sparked intense debates about technology, freedom, and violence. On the one hand, his violent methods were strongly condemned. On the other, some people paid attention to his concerns about technology’s influence on society. His story remains a warning about how extreme ideas, when combined with violence, can shake an entire nation.

Conclusion

Theodore Kaczynski left a dark mark on history. The “Unabomber case” not only tested the FBI’s ability to investigate but also forced society to reflect on the balance between technological progress and human values.

This article is also available in Japanese.