““Usually it is the police, or sometimes, in cases of child abuse, a social worker. These are the people who have the best chance of being able to tell from behavioral clues if someone is lying. A liar has usually had no chance to rehearse, and is most likely to be either afraid of being caught or guilty about the wrong action. While the police and social workers may be well-intentioned, most are not well trained in how to ask unbiased and non-leading questions. They have not been taught how to evaluate behavioral clues to truthfulness and lying, and they are biased in their typical presumption.9 They””
