I helped out on a project for German Public TV, ARD, about lone wolf shooters. I’m really happy with how it came out. It looks at mass shooters from Breivik to Tarrant, Earnest, Crusius, Balliet, and Manshaus, identifying the shared traits and the online communities through which they promulgate their hateful misdeeds.
Check it out here: https://www.daserste.de/information/reportage-dokumentation/dokus/videosextern/der-terror-der-einsamen-woelfe-110.html
Alexander Reid Ross 