Aiden's main research interests are problem-oriented policing, situational crime prevention and crime prevention evaluation. Aiden has worked on various projects with numerous sponsors including the AHRC, ESRC, EPSRC, Home Office and several UK police forces. He has published over 25 articles in the fields of policing and criminology in journals such as Criminology, Journal of Research in Crime and Delinquency and Journal of Experimental Criminology. He first joined UCL in 2006 as a Research Assistant and later Research Associate. Between 2009 and 2012 Aiden pursued his Ph.D. full time.