Support WBURWhen Your Family Member Does The UnthinkablePlay08:59Download AudioAlix SpiegelAugust 01, 2012 ShareWanda Kaczynski and her son David Kaczynski (right background) are escorted to their car by defense lawyers after Unabomber Theodore Kaczynski pleaded guilty Jan. 22, 1998, in Sacramento, Calif. (AFP/Getty Images)