Introduction / Alette Smeulers, Barbora Holá, and Maartje Weerdesteijn
Part I. Perpetrator studies. 1. Historical overview of perpetrator studies / Alette Smeulers
2 Theories, methods, and evidence / Alette Smeulers, Barbora Holá, and Maartje Weerdesteijn
Part II. Reflecting on methods and sources. 3. Perpetrators, fieldwork, and ethical concerns / Chandra Lekha Sriram
4. Interviewing perpetrators against the backdrop of ethical concerns and reflexivity / Mina Rauschenbach
5. Studying 'perpetrators' through the lens of the criminal trial / Thijs B. Bouwknegt and Adina-Loredana Nistor
Part III. Studying perpetration. 6. Perpetration as a process: a historical-sociological model / Uğur Ümit Üngör
7. The margins of perpetration: role-shifting in genocide / Kjell Anderson
8. Beyond perpetrators: complex political actors surrounding the 1994 genocide in Rwanda / Erin Jessee
Part IV. Studying perpetrators: case studies. 9. Studying perpetrator ideologies in atrocity crimes / Jonathan Leader Maynard
10. Religion and international crimes: the case of the Islamic State / Pieter Nanninga
11. The female tigers of Sri Lanka: the legitimation of recruitment and fight / Georg Frerks
12. The rationality and reign of Paul Kegame / Maartje Weerdesteijn
Part V. Studying perpetrators on trial: case studies. 13. Nothing must remain: the (in)visibility of atrocity crimes and the perpetrators' strategies using the corpses of their victims / Caroline Fournet
14. Plausible deniability: the challenges in prosecuting paramilitary violence in the Former Yugoslavia / Iva Vukušić
15. Peroetrators on trial: characteristics of war crimes perpetrators tried by courts in Bosnia and Herzegovina and ICTY / Mirza Buljubašić and Barbora Holá
16. 'Like mirrors of morality': social support for Nazi war criminals in post-war Germany / Susanne Karstedt
Concluding thoughts / Alette Smeulers.