His research focuses on the psychology of deception, and the mechanisms involved in the detection of deception and concealed information. His research has been published in high impact journals such as Psychological Science, Psychophysiology and Biological Psychology. In 2011, together with Gershon Ben-Shakhar and Ewout Meijer, he has edited the first book devoted entirely to the detection of concealed information (“Memory Detection: Theory and application of the concealed information test”, Cambridge University Press).