Nadine Touzeau is net-profiler and researcher in the behavior of cybercriminals. She wrote a scientific book on her research work, evoking 3 theories that she developed concerning behavioural differentiations between the real and the virtual world. These three theories are subjects of many publications in Scientific Journals in the USA. His scientific book "Net-profiling: Behavioural analysis of cybercriminals" (undergoing translation into English) has become a reference in several research and teaching laboratories in French-speaking countries. She was a professor at Gendarmerie School at Madagascar and Criminology Institute in France. Graduate Paul Ekman International (International Diploma at Legal value, Sign Detection, lie & true, dispensed to the CIA, FBI, etc.) Nadine Touzeau is also a member of ACFE USA (Association Certified Fraud Examiner).