Ted Kaczynski, aka "Unabomber," whose attacks traumatized the United States, was found dead in his cell, according to a spokesman for the U.S. Federal Bureau of Prisons.
The Harvard graduate had sent 16 bombs, concealed in postal packages, to various people and companies, causing a total of three deaths and 23 injuries. After a long hunt, he was arrested in 1996 and sentenced to life imprisonment in 1998. Long held in the maximum security prison in Florence, Colorado, known for housing famous prisoners like drug lord El Chapo.