Chapter Introduction / C.G.G. Aitken -- chapter 1 Probability / D.V. Lindley -- chapter 2 Populations and samples / C.G.G. Aitken -- chapter Editors' introduction to Chapter 3 -- chapter 3 Weight of evidence and the Bayesian likelihood ratio / I.J. Good -- chapter 4 Transfer evidence / D.A. Stoney -- chapter 5 Applications of statistics to particular areas of forensic science -- chapter 6 Knowledge-based systems / J. Buckleton -- chapter 7 Quality assurance in the forensic laboratory / T.A. Kubic