In an effort to prevent a terrorist attack, legislators increasingly resort to criminal law measures at an early stage of the iter criminis. Although this pre-emptive turn is often criticized, a thorough assessment based upon the fundaments of the criminal justice system is largely absent in scholarly discourse. This book, therefore, subjects three types of terrorism-related offences (i.e. offences with an impact on expression, information and movement) in four Western-European countries (i.e...