Chris McManus is Emeritus Professor of Psychology and Medical Education at UCL. He has worked on the psychometrics of MRCP(UK) since the 1990s, with experience of using his program Acinonyx in a number of exams for identifying anomalies, where answers of pairs of candidates have statistically unlikely similarities. Chris also has experience of studying leaks from question banks. His recent program ClickMaps provides detailed plots of candidate behaviour during MCQ exams, including comparison of pairs of candidates.