Carlo Serra teaches Criminology at the Faculty of Psychology 1 at Rome University “La Sapienza”. Francesco Pili is a football coach. Contents: The historical analysis of football and support in the stadiums. Theories and correlation between enthusiastic support and the consumption of drugs and alcohol. Relations with the mass-media and political and racial extremism. Statistics on violence in the stadiums and the episodes during the 2001/2002 championship. This book is aimed at the professionals working in this field, psychologists, lawyers, Police Forces.