PSYC 3020 Chapter 3: CHAPTER 3.docx

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Key investigative tasks where psychology is particularly relevant include: collection and evaluation of investigative information - information that is often obtained from suspects. Investigative decision making, especially decisions that require an in-depth understanding of criminal behaviour. Confession evidence is often viewed as a prosecutor"s most potent weapon . Being interrogated by the police for the purpose of extracting a confession is often considered. In north america, a confession usually has to be backed up by some other form of evidence to being inherently coercive. Overt acts of physical coercion have become much less frequent with time, they have been replaced with more subtle, psychological based interrogation techniques, such as lying about evidence, promising lenient treatment, and implying threats to loved ones. Offenders are typically reluctant to confess, they must often be tricked into doing so. Mr. big technique is a noncustodial procedure in that it happens outside of the interrogation room.

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