c Sciences. John Wiley & Sons, 2009. 20. Arredondo, M., LaPorte, G., Wilson, J., McConnell, T., Shaffer, D., & Stam, M. Analytical Methods Used for the Discrimination of Substances Suspected to be Bar Soap: A Preliminary Study. Journal of Forensic Sciences, Volume 51 (6), November 2006. 21. LaPorte, G., Arredondo, M., McConnell, T., Ste