Roger's Research, scholarly and professional interests include:
- Criminological theory
- Criminal justice theory
- Young people, crime and justice
- Generic (and state sponsored) policing and social control
- Anti-social behaviour
He is widely published and is the author of ‘Zero Tolerance Policing’ (Macmillan, 1998), ‘An Introduction to Criminological Theory’ (Willan, 2001, 2005 and 2009), ‘Hard Cop/Soft Cop’ (Willan, 2004), ‘Young People, Crime and Justice’ (Willan, 2008), 'Criminal Justice Theory: An Introduction' (2011).
A fourth edition of 'An Introduction to Criminological Theory' will be published by Routledge in 2013.