Domestic terrorist, Luddite, and mathematics teacher Ted Kaczynski cups his hand to his ear during an interview at the Federal Administrative Maximum Facility prison in Florence, Colorado, on August 30, 1999. Kaczynski, known to the public as the "Unabomber," planted and mailed homemade bombs between 1978 and 1995, killing three people and injuring 23 others.
Crimes of the Century: Unabomber —
Domestic terrorist, Luddite, and mathematics teacher Ted Kaczynski cups his hand to his ear during an interview at the Federal Administrative Maximum Facility prison in Florence, Colorado, on August 30, 1999. Kaczynski, known to the public as the "Unabomber," planted and mailed homemade bombs between 1978 and 1995, killing three people and injuring 23 others.
Stephen J. Dubner/Getty Images
The home of Thomas Mosser, one of the victims of the Unabomber, is seen in 1994.
Crimes of the Century: Unabomber —
The home of Thomas Mosser, one of the victims of the Unabomber, is seen in 1994.
Allan Tannenbaum//Time Life Pictures/Getty Images
The infamous FBI sketch of the Kaczynski, based on witness recollection after the killing of store manager Hugh Scrutton.
Crimes of the Century: Unabomber —
The infamous FBI sketch of the Kaczynski, based on witness recollection after the killing of store manager Hugh Scrutton.
Allan Tannenbaum//Time Life Pictures/Getty Images
The New York Times and the Washington Post published Kaczynski's entire 35,000 word manifesto on September 19, 1995. The document was published in response to a demand made three months previously by Kaczynski, who threatened to kill one more person if his entire philosophy was not printed.
Crimes of the Century: Unabomber —
The New York Times and the Washington Post published Kaczynski's entire 35,000 word manifesto on September 19, 1995. The document was published in response to a demand made three months previously by Kaczynski, who threatened to kill one more person if his entire philosophy was not printed.
LUKE FRAZZA/AFP/Getty Images
Ted Kaczynski is seen in his booking mugshot in April 1996.
Crimes of the Century: Unabomber —
Ted Kaczynski is seen in his booking mugshot in April 1996.
REUTERS/Landov
White plastic tape surrounds Kaczynski's cabin, hidden in a wooded area about 300 yards from the nearest neighbor in Lincoln, Montana, in April 1996. The cabin was put on display at the Newseum in Washington in 2008.
Crimes of the Century: Unabomber —
White plastic tape surrounds Kaczynski's cabin, hidden in a wooded area about 300 yards from the nearest neighbor in Lincoln, Montana, in April 1996. The cabin was put on display at the Newseum in Washington in 2008.
Elaine Thompson/AP/File
Prosecuting attorney Steven Laphan, center, arrives at federal court in Sacramento in November 1997, for the second day of jury selection in the trial of Kaczynski.
Crimes of the Century: Unabomber —
Prosecuting attorney Steven Laphan, center, arrives at federal court in Sacramento in November 1997, for the second day of jury selection in the trial of Kaczynski.
BOB GALBRAITH/AFP/Getty Images
Kaczynski is escorted by U.S. marshals outside the federal courthouse in Sacramento on January 8, 1998.
Crimes of the Century: Unabomber —
Kaczynski is escorted by U.S. marshals outside the federal courthouse in Sacramento on January 8, 1998.
RICH PEDRONCELLI/AFP/Getty Images
David Kaczynski, brother of Ted Kaczynski, speaks to the media as his mother Wanda wipes away tears after Ted Kaczynski admitted he was the Unabomber, pleading guilty to all counts on January 22, 1998, in Sacramento.
Crimes of the Century: Unabomber —
David Kaczynski, brother of Ted Kaczynski, speaks to the media as his mother Wanda wipes away tears after Ted Kaczynski admitted he was the Unabomber, pleading guilty to all counts on January 22, 1998, in Sacramento.
RICH PEDRONCELLI/AFP/Getty Images