Baio Gianluca, Corradi Fabio
University College London, Department of Statistical Science, Gower Street, London WC1E 6BT, UK.
Forensic Sci Int. 2007 Jul 4;169(2-3):181-7. doi: 10.1016/j.forsciint.2006.08.017. Epub 2006 Oct 9.
Bayesian Networks have been advocated as useful tools to describe the relations of dependence/independence among random variables and relevant hypotheses in a crime case. Moreover, they have been applied to help the investigator structure the problem and evaluate the impact of the observed evidence, typically with respect to the hypothesis of guilt of a suspect. In this paper we describe a model to handle the possibility that one or more pieces of evidence have been manipulated in order to mislead the investigations. This method is based on causal inference models, although it is developed in a different, specific framework.
