Unabomber Ted Kaczynski dies in prison at 81.

Ted Kaczynski, also known as the Unabomber, has been found dead in his prison cell at the age of 81. Kaczynski was responsible for 16 bombings between 1978 and 1995, killing three people and injuring 23 others. He was caught in 1995 after his brother and sister-in-law recognized his writing in a manifesto he had demanded be published. Kaczynski pleaded guilty to murder in 1998 and was serving a life sentence without parole.