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 police forces and the 3 special police forces holds the rank of Chief Constable. The exceptions are the Metropolitan Police Service and City of London Police, where the chief police officer instead holds the rank of Commissioner. The umbrella term for the chief constables and commissioners is chief police officer. The term "chief officer", by contrast, includes the chief police officers and their deputies and assistants. The National Police Chiefs Council is the association for chief officers. The rank of Commissioner should not be confused with the Police and Crime Commissioners. They are elected officials who oversee a police force