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The Unabomber’s cabin, held in an FBI storage facility on an airforce base in Sacramento. ( - )

From 1978 to 1995, Ted Kaczynski sent bombs through the mail to targeted victims, killing three people and injuring 23 others over the years spanning his attacks. Though he was named the “Unabomber” by FBI investigators (short for University and Airline Bomber) and called himself “Freedom Club” in letters sent to the press, law enforcement knew very little about who they were trying to pursue, despite him being the target of the largest and most expensive FBI investigation in U.S. history.

https://en.wikipedia.org/wiki/Ted_Kaczynski