Ted Kaczynski, the male much better known as the “Unabomber,” died by suidice, according to multiple reports.

Kaczynski was discovered unresponsive in his cell at the Federal Medical Center in Butner, N.C., early Saturday early morning, according to the Bureau of Prisons. He was 81 years of ages and suffering from late-stage cancer at the time of his death, The Associated Press reports.

The AP reported Kaczynski passed away by suicide, citing four sources. The New York Times reported the exact same, while ABC News has reported his death is being examined as a suicide without any official cause of death.

Kaczynski eliminated three individuals and injured at least 23 more during a bombing spree that lasted from 1975 till 1995. After The Washington Post released Kaczynski’s infamous “Manifesto” that year, Kaczynski’s bro David Kaczynski and his sister-in-law Linda Patrick acknowledged phrases from the note and later turned him into authorities.

The Arrest of the Unabomber, 20 Years Later: 5 Facts to Know About Ted Kaczynski, Convicted of Killing 3 and Injuring 23.

He dealt with several charges originating from his deadly battles, and in exchange for a life sentence without the possibility of parole, he pleaded guilty to each of them in 1998, thus preventing the death sentence. Kaczynski previously tried to hang himself with a set of underclothing while awaiting that trial, Politico reports.

Kaczynski was incarcerated at the Supermax jail in Florence, Colo.– referred to as the “Alcatraz of the Rockies”– for more than 20 years. In December 2021, he was transferred to a jail medical center in North Carolina due to health issues, PEOPLE validated through the Bureau of Prisons.

His lethal battle campaign appeared to concentrate on relatively random targets, prior to a couple of resemblances emerged as the FBI’s investigation continued: numerous were scholars and businesspeople, numerous had a direct tie to modern technology such as computers and planes, and some areas were hit more than others.

‘ Unabomber’ Ted Kaczynski, the Domestic Terrorist Who Mailed Bombs to His Targets, Dead at 81.

The FBI’s almost decades-long examination was the longest and most costly manhunt in the country’s history, according to the AP, ending just after his family acknowledged his works..

Maturing in Evergreen Park, Ill., Kaczynski was called a kid prodigy by education experts. He soon avoided two grades and at 16 was accepted into Harvard University, where he made an undergraduate degree. He later made a PhD in mathematics from the University of Michigan and became an assistant professor at the University of California at Berkeley when he was 25 years old.

David Kaczynski Speaks on His Upbringing with ‘Unabomber’ Brother Ted Kaczynski.

Kaczynski abruptly left his professorship at UC Berkeley after his 2nd year of mentor, briefly moved back house to Illinois and coped with his parents, prior to relocating to a cabin he integrated in Montana that lacked both electrical energy and running water.

There, Kaczynski developed his bombs and mailed them to his victims with the objective of dismantling contemporary society, its technological advances, and its influence on the environment. At the cabin, detectives discovered bomb parts, approximately 40,000 incriminating journal pages, and a live bomb that representatives reported was all set to be sent by mail.