cts to Assess Common Origin, Batch Variation, and Error Rate. Journal of Forensic Sciences, Volume 55 (1), January 2009. 19. Bicknell, D & LaPorte, G. Documents, Forgeries and Counterfeit" in The Wiley Encyclopedia of Forensic Sciences. John Wiley & Sons, 2009. 20. Arredondo, M., LaPorte, G., Wilson, J., Mc