Ted Kaczynski's Brother Wrote Him For Decades to Explain Why He Turned Him InTed Kaczynski, whose anti-tech rants are finding a new generation of readers, shunned the brother who called the F.B.I. in an effort to halt his campaign of violence.
Source: Ted Kaczynski's Brother Wrote Him For Decades to Explain Why He Turned Him In (https://www.nytimes.com/2025/04/29/us/unabomber-ted-kaczynski-letters.html)