Emmanuel Freudenthal is a freelance reporter based in Addis Ababa who has been conducting investigations all over Africa for a decade. He focuses on stories that break new ground, from nerdy data analysis to war reporting. Follow him on twitter at @EmmanFre. Youri van der Weide is an open source analyst and trainer who has worked on migration and Africa related topics. He has worked on investigations for the BBC, Der Spiegel, Bellingcat and other news organisations. Two of the most famous investigations he has worked on were Anatomy of a Killing by BBC Africa Eye and the Killing of Muhammad Gulzar (a joint investigation by Der Spiegel, Bellingcat, Forensic Architecture and Lighthouse Reports). Follow him on twitter at @y_vdw.