Since 2007, he has served as editor for the Criminal Justice Review and International Criminal Justice Review. His scholarly interests include the investigation of homicide and street violence, the organizational culture within law enforcement agencies, forms of deviance and/or criminal behaviors that occur in organizational settings, and qualitative research methods. He has published several books and had articles recently appear in journals such as Justice Quarterly, Criminal Justice & Behavior, and Violence & Victims. Dajun Dai