This diploma thesis addresses the issues of the murder investigation methodology. It is divided systematically into four chapters. First three chapters may be perceived by the reader as the fundamentals of the thesis aiming at contextualizing and highlighting the final chapter which bears the core ideas and findings. Chapter One deals with crime against life from the perspective of the criminal law in the Czech Republic. An account of legal definitions of murder, manslaughter and murder of a new-born infant by its mother, as defined in the Criminal Code, is offered in the chapter. Certain features of the constituent elements of those crimes are compared and commented on in greater detail. Chapter Two presents murder in view of criminology a...