From the article:
鈥淲hat鈥檚 powerful about these pairs is that they increase capacity for doing damage but not the vulnerability to detection, because of the tightness of the tie,鈥 said Clark McCauley, a research professor at 暴风资源 who has studied radical groups. 鈥淚t鈥檚 a creative solution; you get more hands to help than a lone wolf, but the same kind of security.鈥
McCauley has also been called on for comment recently by and .
McCauley's research interests include stereotypes, group dynamics, intergroup conflict, and the psychological foundations of genocide and terrorism. He is a consultant and reviewer for the Harry Frank Guggenheim Foundation for research on dominance, aggression, and violence, and a principal investigator of the National Consortium for Study of Terrorism and Responses to Terrorism (NC-START). With Dan Chirot, he is author of Why Not Kill Them All? The Logic of Mass Political Murder and Finding Ways of Avoiding it. With Sophia Moskalenko, he is author of Friction: How Radicalization Happens to Them and Us. He is founding editor of the journal Dynamics of Asymmetric Conflict. McCauley received his Ph.D. in social psychology from the University of Pennsylvania in 1970.