The interview guides are designed specifically for the needs of the project “Enhancing the Understanding of Foreign Terrorist Fighters (FTF): Challenges for Rehabilitation, Resocialization and Reintegration of Returnees in the Republic of North Macedonia”, implemented by the civil societies NEXUS Civil Concept as the lead organisation, and the Institute for Human Rights as co-organisation. The project was supported by the Hedayah Centre of Excellence for Countering Violent Extremism, through the STRIVE Global Program funded by the European Union.