David L. Altheide is a sociology professor at Arizona State University. His main research interest is the role of the mass media in the dissemination of discourses on fear and risk to control the population. The following interview, which was held at the beginning of October 2010 at the opening ceremony for the Master's in Political, Institutional and Corporate Communication in Crisis and Risk Environments offered by Universitat Rovira i Virgili (Tarragona, Spain), is a summary of his theories on fear and risk discourse and the roles played by journalists and researchers.