Lie detection technique used by police is ‘dangerous’ and could be helping liars, study suggests
Researchers are warning technique should not be used in practice by police officers, writes Conrad Duncan
A widely-used interview technique by police to detect if a suspect is lying is not fit for use and could be helping some liars to become better at deceiving people, research has found.
Researchers led by the University of Portsmouth analysed the effectiveness of the Model Statement lie detection technique, which has been used by both the FBI and British police.
The technique is used to elicit more information from a suspect or witness by presenting them with a detailed account unrelated to the topic of the interview which is designed to act as a guide for their statement.
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