This unit is specialised in offering support in criminal investigations, both by profiling suspects and preparing police interrogations. He also teaches the psychology of investigative interviews at the École nationale de police du Québec (Quebec Police Academy) and is a lecturer at the Department of Criminology of the Université de Montréal. He is the author of several scientific articles and books, including «Investigative Interviewing : The Essentials» (2014), «The Psychology of Crisis Intervention: for Law Enforcement Officers» (2012) and «The Psychology of Investigations : The Seach for the Truth» (2007), publiés chez les Éditions Yvon Blais (Montréal).