Obsessive stalkers represent a category of individuals who are both underestimated and potentially very dangerous. Their behavior often exists in a gray zone between socially tolerated relational discomfort and overt violent crime. This ambiguity contributes to the early trivialization of warning signs, even though stalking trajectories frequently follow a clear pattern of escalation.

One question arises for any investigation professional: can we still trust eyewitnesses, and under what conditions? This article first proposes to examine why the credibility of eyewitnesses often leaves much to be desired in light of the main scientific studies on memory and identification. It will then address concrete cases where a witness’s word contributed to sending an innocent to prison, before outlining the reflexes and best practices that a seasoned investigator shou

These reasoning errors, often unconscious, shape our decisions without our awareness. In an investigative context, they can subtly divert the search for truth toward a mistaken interpretation, sometimes leading to judicial dead ends. Many cases that remain unsolved today — commonly referred to as cold cases — trace their origins to one of these biases: invisible, yet dangerous.

This article presents 25 practical situations where a polygraph examination can prove valuable for citizens, employers, lawyers, investigators, or insurers, as a means to confirm or dispel doubts and make more informed decisions.

According to the Canada Mortgage and Housing Corporation (CMHC), nearly 28% of Canadian landlords report having suffered financial losses due to problematic tenants. Among those who perform no pre-leasing investigation, this rate rises to over 50%!​

Hiring a private detective is a serious, pragmatic step, and in some cases, the only option available for getting clear answers to complex personal situations. It is a concrete and legal solution for turning doubts into certainties and making important decisions based on documented facts.

Written statement analysis is nowadays a valuable discipline within modern investigative agencies. It consists of the methodical examination of a person's remarks - testimonies, correspondence, or various declarations - with the goal of exposing the truthfulness of the account, omissions, inconsistencies, and sometimes implicit admissions or, conversely, false confessions.

Hiring a candidate based solely on their good faith, relying on the contents of their resume, and failing to conduct a thorough background check on their statements risks jeopardizing everything the company and its leaders have built over the years. A pre-employment background investigation isn't an expense; it's an investment in the security and sustainability of your business to avoid costly mistakes.

In the legal system, a confession is often seen as the ultimate proof of guilt. Yet, research shows that sometimes innocent people confess to crimes they did not commit, under the influence of fatigue, stress, or coercive interrogation techniques.

Loin d’être un simple outil de détection du mensonge, le polygraphe offre des avantages stratégiques qui peuvent influencer le déroulement d’une enquête, renforcer une défense ou orienter une négociation. En intégrant le polygraphe à leur pratique, les avocats criminalistes disposent d’un allié supplémentaire pour mieux défendre les intérêts de leurs clients et optimiser leur stratégie juridique.

L’intervention du profileur criminel prend tout son sens lorsque les comportements observés sur la scène de crime échappent à toute logique rationnelle. Lorsque certains aspects du crime ou du comportement du suspect semblent dénués de sens ou ne contribuent en rien à la réalisation de l’infraction, les enquêteurs peuvent se retrouver démunis face à ces éléments inhabituels. C’est précisément dans ces situations, où le crime présente des caractéristiques aberrantes ou indivi

Le test du polygraphe est un processus rigoureux, encadré et bien plus fiable et humain qu’on ne pourrait le croire. Dans cet article, je vous invite à plonger dans les coulisses du travail d'un polygraphiste pour découvrir étape par étape le déroulement concret d'une séance de ce que l'on surnomme à tort le détecteur de mensonge. Le polygraphe est un appareil sophistiqué qui mesure et enregistre plusieurs réactions physiologiques du corps humain...

Le profilage criminel : une expertise d’analyse comportementale rigoureuse et efficace pour résoudre, prévenir et comprendre la criminalité moderne.

La sélection des candidats les plus qualifiés et les plus fiables est devenue un enjeu majeur pour toute entreprise en quête d’efficacité. L’enquête pré-emploi s’impose comme un outil crucial et indispensable pour garantir la qualité des futurs employé et la sécurité du processus d'embauche.