Kaczynski hanged himself in prison and was pronounced dead at Duke University Hospital.

Kaczynski pleaded guilty to all charges, accepting life imprisonment without the possibility of parole.

FBI agents arrested Kaczynski at his cabin in Montana.

The Washington Post published Kaczynski's 35,000-word essay Industrial Society and Its Future.

Kaczynski's father shot and killed himself in his home.

Kaczynski's first mail bomb was directed at Buckley Crist, a professor of materials engineering at Northwestern University.

Kaczynski resigned from his position as an assistant professor at the University of California, Berkeley.

Theodore John Kaczynski was born in Chicago, Illinois.

Kaczynski's parents, Wanda Theresa (née Dombek) and Theodore Richard Kaczynski, married.