This indispensable introduction to the psychological theories of criminality and violence examines how both psychology and biology play a role in understanding what may drive individuals to commit crime. Drawing on relevant research, real-world examples, and gripping case studies, this text applies theory to provide deep insight into criminal behaviour.

David R. Lyon's profile page

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David R. Lyon is an associate professor in the Department of Criminology at Kwantlen Polytechnic University.

Andrew Welsh is an associate professor and associate dean of the Faculty of Human and Social Sciences at Wilfrid Laurier University, Brantford.

"I like the case study examples, very descriptive, relevant, and objective. Excellent topics discussed throughout." --Uzma Williams, MacEwan University

"This text will provide you with a great overview of theories associated with criminal behaviour in a way that is understandable and engaging." --Janelle Jackiw, University of Regina and Lethbridge College