Marco Strano, psychologist and criminologist is considered one of the leading experts of Psychology related to police activity. He began his professional career in the Police Force in 1980 as an Officer of Carabinieri (Special Unit Division), commanding a special security unit, investigation and security at a maximum security prison in Calabria but also participating in numerous law enforcement operations against crime organized in the Region. Then, after a few years, he moved to the Special Operations Unit of the Office of the High Commissioner of the Anti-Mafia Palermo dealing with tactical intelligence operations for 7 years and getting the internal qualification of shooting instructor, and then to its dissolution in 1991, he worked for 10 years as an Agent in Italy and abroad in a special unit of the Intelligence Services of the Prime Minister’s Office (SISDE) in the fight against organized crime, gaining further field experience in operations “on the road and in country areas. Parallel to institutions operating purposes, Marco Strano has deepened university studies of Sociology Organization, Psychology and Criminology teaching in different universities and making some groundbreaking scientific publications. In 2001 he passed to the application in the State Police as Technical Director Chief Psychologist (the Lieutenant Colonel military equivalent) framed in the health sector of the State Police, where he is currently employed with tasks of Applied Psychology police activity. He is also the Chairman of the Study Centre for Legality, Security and Justice (www.criminologiaorg.wordpress.com) association that since 1999 studies innovative investigative techniques and psychology problems of police officers and the military. He is the author of several books and over 100 scientific articles in psychological and criminological matters. In 2004 he participated as a speaker in the workshop “The Nature and Influence of Intuition in Law Enforcement: Integration of Theory and Practice”, organized by the FBI’s Behavioral Science Unit in Quantico (Virginia) with the sponsorship of the American Psychological Association.