Ted Kaczynski wrote a work .
The FBI -LRB- as well as Attorney General Janet Reno -RRB- pushed for the publication of Kaczynski 's `` Manifesto `` , which led to his sister-in-law , and then his brother , recognizing Kaczynski 's style of writing and beliefs from the manifesto , and tipping off the FBI .
Ted Kaczynski