Per-Olof Wikström is a Swedish criminologist known for his work in the field of crime and social behavior. He is particularly recognized for developing the Situational Action Theory, which explores how individual actions are influenced by both personal and environmental factors. His research emphasizes the importance of understanding the context in which crime occurs. Wikström has contributed significantly to the study of youth crime and the role of socialization in shaping behavior. His findings have implications for crime prevention strategies, highlighting the need for interventions that consider both individual characteristics and situational contexts.