Master's thesis is focused on computer crime, with an emphasis on the process of investigation. New systematics in Czech computer crime terminology is offered. Within the thesis, cybercrime is perceived as a part of computer crime. Special attention is put on various aspects of criminalistics, as the topic of investigation itself is understood from the point of view of such science. Nevertheless, criminological findings are discussed likewise. Particular emphasis is put on a link between Czech legal regulation and expert literature from the fields of law, criminalistics, criminology and technology. Master's thesis is based on Czech literature, as well as English and French writings, in addition to national and international case law. The te...