Tutorials Device Fingerprinting and its Applications in Multimedia Forensics and Security is given at IEEE International Conference on Multimedia and Expo in July 2020 by IAPR TC6 Vice Chair Professor Chang-Tsun Li of Deakin University.Computational Forensic in the analysis of digital evidence (computer-hard drives and networks) is given at SANS Forensic Summit on 7-8 September 2010.Forensic Document Examiners Approach To Handwriting Comparisons / Identification presented at 11th International Conference on Document Analysis and Recognition (ICDAR 2009) Universitat Autònoma de Barcelona, Catalonia, Spain during July 26-29, 2009.Computational Forensics in Forensic Document Examination presented at 9th International Conference on Document Analysis and Recognition (ICDAR 2007) Curitiba, State of Parana, Brazil, September, 23th, 2007.