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Video rewind: The day they caught the Unabomber

  • 18 years ago today, authorities arrested Ted Kaczynski aka the Unabomber at a Montana cabin
  • Kaczynski planted and mailed homemade bombs between 1978 and 1995, killing three people

On April 3, 1996, the FBI ended a long manhunt for a terror suspect dubbed the Unabomber.

Authorities said the Unabomber planted and mailed homemade bombs between 1978 and 1995, killing three people and injuring 23 others. An FBI-led task force, looking into the attacks, referred to them by the acronym UNABOM, because the bomber's targets were universities and airlines. 

A break in the case came in 1995 when the Unabomber sent a 35,000-word manifesto, explaining his motives, to media outlets. After the essay was published, David Kaczynski recognized the handwriting of his brother, Ted Kaczynzski, and notified authorities.

The FBI used Ted Kaczynski’s motives and his bomb construction to zero in on him. He was later arrested at his remote cabin in Montana. Ted Kaczynski pleaded guilty on January 22, 1998, on all counts and sentenced to four life sentences. 

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