107 Forms of crime committed by organized crime - Abstract The aim of this work was to map the range of criminal offenses and other criminal acts perpetrated by perpetrators of organized crime. Members and supporters of criminal organizations commit a large number of different offenses, primarily with the intention of obtaining illegal profits. However, some actions aim at legalizing previous revenues, establishing contacts in police, justice, and public administration, or to prevent these groups from being exposed. A specific crime may have multiple meanings in the overall strategy of the organized crime subject. Such an act is committed to both profits and cover- up (eg murder, extortion). This work is divided into three parts. The first part, consisting of Chapter 1, deals with the theoretical and legal definition of organized crime and other related concepts, such as organized groups and organized criminal groups. For these characteristics, both professional treatises and legal regulations are used, including international conventions, EU legislation and the laws of the Czech Republic. This section also provides a demonstrative list of the main criminal activities of organized crime. The second part, consisting of chapters 2 and 3, focuses on the historical development of organized crime and the...