Práxedis G. Guerrero Municipality temperatures in the summer and very low temperatures in the winter, with extreme recorded temperatures of 43°C and -23°C. It has very low levels of precipitation. Its flora are plants typical of the desert, and its fauna includes species such as the puma or the coyote. In 2010 20-year-old Marisol Valles Garcia, a criminology student, became the municipality's main chief of police. As of that year the police department consisted of 13 members, mostly women, who are unarmed. Práxedis G. Guerrero Municipality Práxedis G. Guerrero is one of the 67 municipalities of Chihuahua, in northern Mexico. The municipal seat lies
Chief of police sheriff is the chief of a county law enforcement agency. Although sheriffs are not usually counted as police chiefs, their agencies usually have the powers and role of a police department. Some sheriffs' agencies are limited to non-policing matters such as courtroom security. The usual difference between a sheriff and a police chief is that sheriffs are elected (except in New York City, Rhode Island and Hawaii) and responsible for a county whereas a police chief manages law enforcement in a city or town and is appointed by its local government. The fraternal organization International Association of Chiefs of Police