Scream it from the rooftops
(But I know this will not change anytime soon. Researchers and law enforcement and security services are obsessed with ideology as if it is somehow explanatory.)
Jess Davis
Ideology is quite possibly the least useful dimension I can think of around which to organize an operational definition of extremist crime. Victimology, social ecology, behaviour, even motivation - any combination of these has to be more pertinent than ideology.