Detection of Deception

Vergil Williams

Detection of deception is a broad term covering a variety of techniques. Many areas of society have an interest in detecting deception: For example, medical personnel, social workers, and mental health workers all interview clients who, for various reasons, may lie or withhold information from the interviewer to conceal the truth. Not surprisingly, detection of deception is a key issue in criminal investigation, although criminal interrogation is not the same thing as interviewing designed to detect deception. Criminal interrogation normally involves a set of circumstances in which the authorities have decided that a specific suspect is the most likely perpetrator of a crime. Interrogation of this sort uses techniques designed to convince the suspect that a confession is an appropriate response to the encounter. Interviewing for purposes of detecting deception often means that there is a group of possible suspects, and the interviewer is attempting to narrow down the The ...

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