Editor's Note: This security-focused assessment is one of many such analyses found at Stratfor Threat Lens , a unique protective intelligence product designed with corporate security leaders in mind. Threat Lens enables industry professionals and organizations to anticipate, identify, measure and mitigate emerging threats to people, assets, and intellectual property the world over. Threat Lens is the only unified solution that analyzes and forecasts security risk from a holistic perspective, bringing all the most relevant global insights into a single, interactive threat dashboard. The party atmosphere surrounding Mexico's Independence Day celebrations in Mexico City's Garibaldi Plaza was shattered Sept. 14 when a group of three gunmen dressed as mariachis opened fire on a group seated at a restaurant. The hail of pistol and rifle fire killed five people and injured another eight.