Claim: Ted Kaczynski is also known as the Unabomber, the name he used when terrorizing the United States.
Evidence: Theodore John Kaczynski -LRB- -LSB- kəˈzɪnski -RSB- born May 22 , 1942 -RRB- , also known as the `` Unabomber '' , is an American serial killer , domestic terrorist , and self-professed anarchist.