Suspect - Mr Validity File
: Investigators may use Statement Analysis or Guilty Knowledge Tests (GKT) to evaluate the truthfulness of an alibi. Patterns in a suspect's account of non-crime events are sometimes compared to their account of the crime to detect deception. Challenges to Validity
: A suspect's identification is considered "valid" or "pristine" only if the lineup was not biased (e.g., fillers did not cause the suspect to stand out) and the administrator did not know who the suspect was (double-blind). suspect - Mr Validity
: Techniques like the Reid Technique or the PEACE model (Planning, Engage, Account, Closure, Evaluation) are used to ensure that a suspect's statement is reliable and not the result of coercion. : Investigators may use Statement Analysis or Guilty