What is a common reason officers may fail to detect deception?

Officers often fail to detect deception due to overconfidence in their skills. This overconfidence can lead them to dismiss certain cues that may indicate dishonesty or manipulation. When officers believe too strongly in their ability to read people, they may rely on their instincts and intuition rather than systematically analyzing the evidence and statements for inconsistencies. This mindset can prevent them from considering the possibility that they may be misinterpreting the cues or overlooking important indicators of deception.

In contrast, training on behavioral cues can enhance an officer's ability to recognize signs of untruthfulness. Similarly, detailed statements from victims can provide clear information that is easier to evaluate, allowing officers to cross-check facts and identify potential lies. Familiarity with suspects may provide context but can also cloud judgment; however, it is the overconfidence in their interpretative skills that primarily hinders an officer’s effectiveness in detecting deception.