Kaczynski, aka the Unabomber, Died by Suicide in Prison, Sources Say
New York Times
The F.B.I. is investigating the death of the man known as the “Unabomber,” who was transferred to a federal prison medical center in 2021.
https://www.nytimes.com/2023/06/10/us/politics/kaczynski-unabomber-suicide-prison.html