@article {309849,
	title = {Sadistic cruelty and unempathic evil: Psychobiological and evolutionary considerations},
	journal = {Behavioral and Brain Sciences},
	volume = {29},
	year = {2006},
	month = {6},
	pages = {242{\textendash}242},
	abstract = {Understanding the origins of evil behaviour is one of our most important intellectual tasks. A distinction can perhaps be drawn between overt sadistic cruelty and the lack of empathy to suffering that is a hallmark of evil. There is increasing data available on the prevalence, proximal psychobiological underpinnings, and distal evolutionary basis for these contrasting phenomena.},
	issn = {1469-1825},
	doi = {10.1017/S0140525X06419051},
	url = {http://journals.cambridge.org/article_S0140525X06419051},
	author = {Stein,Dan J.}
}
