This report covers the major aspect of criminology, offender profiling, which is the analysis of criminal background to know the nature of crime from its uniform pattern or behavior. It elaborates on various types of murder and rapist typology in committing such acts with respect to the case. Further, it talks about key factors to recognize such criminals by analyzing their gender, race, IQ, residence, profession, and vehicle used, and suggests measures by adopting means revealing the identity of the offender.