Michelle V. HaugeSchool of Biological and Chemical Sciences, Queen Mary University of London, London, UK Mark D. StevensonSchool of Biological and Chemical Sciences, Queen Mary University of London, London, UK D. Kim RossmoCenter for Geospatial Intelligence and Investigation, School of Criminal Justice, Texas State University, San Marcos, TX, USA Steven C. Le ComberSchool of Biological and Chemical Sciences, Queen Mary University of London, London, UKCorrespondences.c.lecomber@qmul.ac.uk