Before revision: Crisp, The Psychology of Social and Cultural Diversity (2011) p. 16 and p. 39
After revision: Examples include serial killers and spree killers who play into an act of normalcy to play into social norms and function in society but keep their urges a secret, until they reach their breaking point.Crisp, The Psychology of Social and Cultural Diversity (2011) p. 16 and p. 39