This podcast from Transport Security International Magazine examines the scientific validity of micro-expressions as a method of lie detection. The author, Louise Jupe, critiques the work of Dr. Paul Ekman, the pioneer of micro-expression research, arguing that his methods are flawed and that there is no clear scientific evidence to support the claim that micro-expressions can reliably identify deception. The podcast also discusses the limitations of artificial intelligence (AI) systems designed to detect deception through micro-expressions, highlighting concerns regarding accuracy rates and the potential for misidentification. Jupe concludes that while AI may have a future in deception detection, it is crucial to avoid rushing into implementing underdeveloped solutions, and that research should focus on developing more reliable methods for identifying deception.