Claim: Ted Kaczynski penned a manifesto.
Evidence: Seventeen years after beginning his mail bomb campaign , Kaczynski sent a letter to The New York Times on April 24 , 1995 and promised `` to desist from terrorism '' if the Times or The Washington Post published his manifesto , Industrial Society and Its Future -LRB- the `` Unabomber Manifesto '' -RRB- , in which he argued that his bombings were extreme but necessary to attract attention to the erosion of human freedom necessitated by modern technologies requiring large-scale organization.