PSY 3173 Lecture Notes - Lecture 4: Quid Pro Quo, A Confession, Polygraph
Document Summary
The psychology of police investigations: police interrogation is defined as a process whereby the police interview a suspect for the purpose of gathering evidence and obtaining a confession. Because there"s a huge emphasis on obtaining a confession, there could be a lot of pressure to obtain it. He ended up confessing after several hours, the question that the court was face with: the court of appeal found that his confession was involuntary but the supreme court met the four new criteria they"ve established. It was developed by john reid, a polygrapher in chicago and is three-stage process with the primary objective of having the suspect confess to the crime: Gathering evidence related to the crime and to interview witnesses and victims; Conducting a non-accusatorial interview of the suspect to assess any evidence of deception: you try to determine if the suspect is lying through the usage by what you"re saying, your alibi, etc.