Bearing in mind the fact that criminal behaviour is conditioned by the action of both cognitive and conative factors, the basic assumption we have started from in the research was that in the individual series the rapists had shown a clear individual variability in certain sequences of the crime. In this sense, the paper presents the analysis of three individual series of rapes, which has included two components or manifestations of behaviour: “modus operandi” and criminal “signature”. The data from the Department for the prevention of homicide and sexual offences of the Criminal Police, the Police Directorate for the City of Belgrade, have been used in the paper. These data have included pieces of information for three multiple perpetrator...