“…Fourth, planning and housing enforcement is a knowledge-based activity relying on multiple sources of information, data and expertise, such as complaints by residents and on-site inspections (Harris, 2011(Harris, , 2013. Deception and fraud are an inherent response to inspections (Van de Walle and Raaphorst, 2019), for example, when landlords seek to conceal evidence of housing misuse (Kelling, 2021;Shrestha et al, 2021). In that context, local governments often cross-reference different sources of administrative data and/or cooperate with various departments or agencies to detect infractions (Barry Born, 2021;Nasreen and Ruming, 2021;Schiller and Raco, 2021).…”