Popular criminology is a theoretical and conceptual approach within the field of criminology that is used to interrogate popular understandings of crime and criminal justice. In the last decade, popular criminology has most often been associated with analyses of fictional crime film, while in previous decades, popular criminology referred most often to “true crime” literature or, more generally, to popular ideas about crime and justice. While the term has appeared sporadically in the criminological literature for several decades, popular criminology is most closely associated with the work of American criminologist Nicole Rafter. Popular criminology refers in a broad sense to the ideas that ordinary people have about the causes, consequences, and remedies for crime, and the relationship of these ideas to academic discourses about crime. Criminologists who utilize this approach examine popular culture as a source of commonsense ideas and perceptions about crime and criminal justice. Films, television, the Internet, and literature about crime and criminal justice are common sources of popular criminology interrogated by criminologists working in this field. Popular criminology is an analytic tool that can be used to explore the emotional, psychological, and philosophical features of crime and criminal justice that find expression in popular culture. The popular cultural depiction of crime is taken seriously by criminologists working in this tradition and such depictions are placed alongside mainstream criminological theory in an effort to broaden the understanding of the impact of crime and criminal justice on the lives of everyday people. Popular criminology has become solidified as an approach within the broader cultural criminology movement which seeks to examine the interconnections between crime, culture and media.