“…(Post, Sprinzak, & Denny, 2003, p. 171). One such extremist person is Anders Breivik, who killed 77 people in the cause of countering "cultural Marxism" and "multiculturalism," and whose beliefs and actions were considered from a personal construct theory perspective by Winter and Tschudi (2015) in one of a series of attempts to apply a credulous approach to people who have engaged in extreme violence (Reed et al, 2014;Winter, 2006Winter, , 2007Winter, , 2016aWinter et al, 2007Winter et al, , 2016. Analysis of an interview conducted by Breivik with himself, similar to a self-characterization (a method developed by Kelly (1955) in which the individual writes an autobiographical character sketch in the third person), indicated that he had experienced numerous invalidations of his construing in his early life, but that the development of his radical beliefs allowed him to reconstrue himself as a "Perfect Knight" (Berwick, 2011(Berwick, , p. 1435).…”