81-year-old Unabomber Ted Kaczynski, diagnosed with late-stage rectal cancer in 2021, died by suicide in prison in 2023.

The "Unabomber", Ted Kaczynski, was diagnosed with late-stage rectal cancer in March 2021 and was reportedly depressed prior to his prison suicide in June 2023, according to his autopsy report obtained by NBC News. Kaczynski, aged 81, had been waging a deadly bombing spree for two decades, killing three people and injuring 23 others. He was captured in the Montana wilderness in 1996 and later sentenced to life imprisonment.