RT Article T1 Disaggregating lone-actor grievance-fuelled violence: Comparing lone-actor terrorists and mass murderers JF Terrorism and political violence A1 Clemmow, Caitlin A2 Horgan, John A2 Silver, James A2 Bouhana, NoƩmie A2 Gill, Paul LA English YR 2020 UL https://krimdok.uni-tuebingen.de/Record/1912515032 DO 10.1080/09546553.2020.1718661