Ted Kaczynski, former Math professor known as 'Unabomber', found dead in prison aged 81

Ted Kaczynski, former Math professor who came to be known as the Unabomber when he carried out a 17-year spree of mysterious bombings, died on Saturday aged 81. Kaczynski was found dead at a prison in North Carolina. The Harvard University graduate targeted academics, scientists and computer store owners and even tried to blow up a commercial airliner.