.... Design/methodology/approach This study applied a temporal approach (“crime script analysis” or CSA) to identify, map and compare the sequential stages (or “scenes”) in the life histories of violent and non-violent extremists who have committed acts of extremism across different age groups. Crime scripts...

... interpretable. For a more complete overview of serial killers’ life histories, readers are directed to Keatley et al. (2018a , 2018b , 2018c, 2018d) and Marono et al. (2020) . While state transition diagrams are relatively straightforward “flow maps” of chains of behaviours...