Newspapers printed Unabomber’s manifesto in 1995. It’s still fiercely debated.

In June 1995, hefty packages arrived in the mail rooms of The Washington Post and The New York Times with identical contents: single-space typed copies of a document called “Industrial Society and Its Future,” with a note from an anonymous sender who said he would kill again unless the newspapers published the manifesto in its entirety within 90 days.

The danger seemed credible. The author claimed to have been responsible for three deaths and dozens of injuries in a mail bombing campaign that had already lasted 17 years, and was increasing in frequency. But if they gave in to the threat, how did the newspapers know the bomber would keep his word — or whether other terrorists would make such demands in the future?

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