- After leaving academia, he briefly lived with his parents before moving to a remote cabin in Lincoln, Montana in 1971.
- In Montana, he lived a largely self-sufficient lifestyle, working odd jobs and receiving some financial support from his family.
- It was during this period of isolation that he began his bombing campaign, which lasted from 1978 to 1995.
Kaczynski's trajectory from child prodigy to accomplished mathematician to domestic terrorist is often cited as a perplexing case study in the potential for brilliance to be misdirected. His high level of education and early promise make his later actions all the more shocking and have led to much speculation about the factors that might have contributed to his radicalization.