Professor Pär Anders Granhag, PhD, Department of Psychology at the University of Gothenburg, Sweden. His research includes cognitive psychology, in particular human judgment and decision-making, memory, and meta-memory. He has also conducted extensive research on the psychology of deception, the psychology of interrogation, and the psychology of criminal investigations and the courts. He is the founder and director of the Research Unit for Criminal, Legal, and Investigative Psychology (CLIP), which has been singled out for its excellence in producing research.