The fascination with the criminal phenomenon and reflection on the most appropriate way for punishment accompany the human being throughout history. But recently, only the most serious crimes have become a mass spectacle thanks to the media and the immediacy with which social networks broadcast their reality. This helps to socialize and amplify a permanent sense of danger, especially in those cases where the sentence seems insufficient to contain further recidivism taken for certain.

This book is about rigorous treatment of criminal endangerment and to relevance that should be granted to deciding the intensity and shape of the penal response. It should only be punished for the act committed or should also bear in mind the future dangerousness of the author? New trends in criminal policy point to be taken into consideration that dangerous, creating many problems when specifying this concept and make it operational for the criminal justice system.

The papers collected here offer some basis for reflection from the perspective of comparative law and, in particular, from the Germanic space (Germany and Austria). It thus seeks to deepen the delicate question of intervention accumulated penalties and security measures for fully responsible subjects. A matter that is in the crosshairs of public opinion and about to be changed in our country hand Reform Project Penal Code, under discussion in Parliament.

Coordination of the book is done by Enara Garro Carrera. And with the collaboration of Georg Freund, Lyane Sautner, Angel Sanz Morán and José Ester Blay Gil.