Carlos Vilalta, Pablo Lopez-Ramirez y Gustavo Fondevila, Profesor Investigador Titular de la División de Estudios Jurídicos del CIDE, escribieron el artículo Testing the local and spatial spillover effects of police monitored CCTV systems on crime en la revista Applied Geography.   Abstract Objectives Police-monitored CCTV systems are supposed to reduce on-the-street crime. The purpose of this study is to determine