This episode originally ran on Monday 19 June 2023. Theodore ‘Ted’ Kaczynski died at the federal prison in Butner, North Carolina, last year at the age of 81. Known as the Unabomber, Kaczynski waged a 17-year bombing campaign from an isolated shack in the Montana wilderness before finally being caught in 1996. One of those who helped apprehend Kaczynski was former FBI agent Jim Fitzgerald. He tells Michael Safi that the arrest was only possible after the publication of the bomber’s manifesto in the Washington Post. It was those words that were recognised by Kaczynski’s brother, who took his concerns to the authorities