This thesis concerns the development and structure of youth crime in the Czech Republic and the various ways it has been dealt with. The aim of the thesis is to provide the reader with a true picture of the development and structure of youth crime in the territory of the Czech Republic over a relatively extensive period - from 1993 to 2020. The first two chapters offer the reader theoretical insight into the issue of youth crime that is necessary for understanding the subsequent parts of the thesis, making use of the available professional literature. Chapter One focuses on crime in general (not youth crime) and the science that studies it - criminology. It explains basic terms (the state, structure and dynamics of crime; real, registered a...