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
Alex Marshall (police officer) Alex Marshall (police officer) Alexander John "Alex" Marshall QPM is a retired senior British Police officer who was the Chief Executive of the College of Policing from 2013-2017. Prior to this role, he was Chief Constable of Hampshire Constabulary from 2008 to 2013. In September 2017, Marshall retired from policing to work for the International Cricket Council, as general manager of its Anti-Corruption Unit.. Marshall studied at Wolfson College, Cambridge and the Institute of Criminology, University of Cambridge. He became a Cropwood Fellow in 1999. He obtained a master's degree in criminology at the University of Cambridge in 2006. Marshall