1. H. Ognall, Any judge would do the same. The case against Colin Stagg was based on a single rotten plank. The Times, 19 December 2008. http://www.timesonline.co.uk/tol/news/uk/crime/article5367901.ece.
2. D. Canter, We need smarter police who are science-savvy. The Times, 19 December 2008. http://www.timesonline.co.uk/tol/comment/columnists/guest_contributors/article5367133.ece.
3. The nature of forensic science opinion — a possible framework to guide thinking and practice in investigations and in court proceedings;Jackson;Science and Justice,2006
4. Focus on…forensic gait analysis;Wright;Journal of Homicide and Major Incident Investigation,2008
5. A Bayesian approach to identification evidence;Finkelstein;Harvard Law Review,1970