Criminals create rival gangs and their conflicts concern the public. Due to the magnitude of the problem, city authorities have put in place a special police service: Metropolitan Police.

In Buenos Aires and Haiti, the government establishes a special police department aimed to work in the marginal neighborhoods and reassure the public.

Ciudad Juárez is a principal trafficking route for migrants seeking a better life and in order to attempt to prevent the illegal crossing of the USA border, Special forces of the Mexican Federal Police patrol the area for suspicious activity.

The center of trafficking is the Paraná river, separating Brazil and Paraguay, where the Brazilian government has established a special police unit called NEPOM.

The Catalan autonomous Police have replaced the Spain National Police, while police in Haifa, Israel face constant terrorist threats from neighboring countries.