Ted 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. “We both deserved a chance ...

Ted Kaczynski's brother has opened up about the desperate letters he wrote to the Unabomber pleading for forgiveness after turning him over to the FBI. David Kaczynski, now 75, spent nearly three ...

Ted Kaczynski died in federal custody last year at 81. He mailed and hand-delivered a series of homemade bombs over the course of 17 years that killed and injured more than 20 people.