Gun violence is one of the biggest social problems in Latin America. In recent years gunshot detection systems have been gaining relevance in the region as a technological tool that may reduce it. This article presents a review of gunshot detection technology, and attempt to examine its use in some Latin American countries. The main operating attributes of these systems are described, and researches conducted to evaluate their effectiveness in supporting police work and reducing gun violence and crimes are reviewed. Based upon the operating principles of these systems and considering the urban and demographic differences of the cities where they are used, the performance and effectiveness of the fire detection systems in the region are qualitatively examined.