According to research conducted by ridley (1999), how could individuals like adolf hitler, serial killer ted bundy, and oklahoma city bomber timothy mcveigh commit such acts according to the "nature versus nurture" debate? these individuals were born (nature) to commit such horrendous acts. it was in their genetic makeup. their behaviors are the result of the interaction of nature and nurture. these individual's behaviors were attributed to "nurture" and influences of their parents. these individuals learned to commit these behaviors after staying in long periods of isolation, according to ridley. these individuals learned to commit these behaviors due to negative experiences in school, according to ridley.