Ted Kaczynski, like the man charged with murdering UnitedHealthcare CEO Brian Thompson, killed people because he wanted to.

The relationship between Ted Kaczynski, the infamous 'Unabomber,' and his younger brother David is a tale of betrayal, regret, and enduring familial bonds. David's decision to turn Ted in to the FBI ...

It was May 1996, and David Kaczynski, a counselor for troubled youth in upstate New York, sat down to write a letter to his ...

It was May 1996, and David Kaczynski, a counselor for troubled youth in upstate New York, sat down to write a letter to his brother Ted. A month earlier, his brother had been shockingly unmasked ...

On May 4, 1998, Unabomber Theodore Kaczynski was given four life sentences plus 30 years by a federal judge in Sacramento, ...

Jim Freeman, special FBI agent of the Unabomber case, speaks at a news conference beside a sketch of the suspect at FBI headquarteres in San Francisco, Dec. 12, 1994. The news conference was ...

A defense filing reveals new police body-cam stills from his arrest — and that workers were advised not wear the UHC logo in ...