The aim of this essay is to attempt to identify the epistemology implicated in the research conducted by Emmeline Taylor about the decision making process of burglars. Essay begins with a concise definition of Criminology and a brief outline of ‘Rational Choice Theory’ which can be utilised to understand the decision making process of offenders and to provide a background for the notion of the rationality among burglars whilst acting criminal behaviour. Then it will continue with the explanation