In this week's episode, Dr. Yannick Veilleux-Lepage (Assistant Professor – Terrorism and Political Violence, Leiden University) and I finish our conversation on the changes taking place in today’s extremism. Dr. Lepage considers the implications of transmission, replication and adoption and how they function when applied to the Manchester Arena attack. We discuss the emergence of the new tools of the terrorist trade, such as 3D printed firearms. Lastly, we discuss the prevalence of dehumanisation and possible policies predicated on re-humanisation. Join us for a deep dive into terrorism's mutation.