Marcelo F. Aebi, PhD, is Professor of Criminology at the University of Lausanne, Switzerland. He is also a consultant expert of the Council of Europe, head of the European Sourcebook Group, executive secretary of the European Society of Criminology and chair of the Scientific Advisory Board of the Netherlands Institute for the Study of Crime and Law Enforcement (NSCR). He publishes regularly in scientific journals in English, French, Spanish and Italian. https://orcid.org/0000-0002-3449-1093.

Stefano Caneppele, PhD, is Professor of Criminology at the University of Lausanne, Switzerland. Among his research domains, he is interested in the study of the interaction between technology, crime and its social reaction. He is also a consultant expert of the Council of Europe and member of the European Sourcebook Group of Crime and Criminal Justice Statistics. https://orcid.org/0000-0003-3924-4937.

Lorena Molnar, MA, is a PhD candidate and research assistant at the University of Lausanne, Switzerland. Her main domains of interest are comparative criminology, innovation in methods and hard-to-reach vulnerable populations. She is a member of the SPACE (Statistiques Pénales Annuelles du Conseil de l’Europe) team and of the European Sourcebook Group and co-author of the sixth edition of the European Sourcebook of Crime and Criminal Justice Statistics. https://orcid.org/0000-0001-8692-9256.