Support WBURFBI Profiler Says Linguistic Work Was Pivotal In Capture Of UnabomberPlay38:31Download AudioDave DaviesAugust 22, 2017 ShareTed Kaczynski is flanked by federal agents as he is led from the federal courthouse in Helena, Mont., on April 4, 1996. Kaczynski is now serving a life sentence in prison for the bombings. (Associated Press)