Mexican Drug War became the starting point of the war between the government and the drug cartels. Calderón escalated his anti-drug campaign, in which there are now about 45,000 troops involved in addition to state and federal police forces. In 2010 Calderón said that the cartels seek "to replace the government" and "are trying to impose a monopoly by force of arms, and are even trying to impose their own laws." As of 2011, Mexico's military captured 11,544 people who were believed to have been involved with the cartels and organized crime. In the year prior, 28,000 individuals were arrested on drug-related charges.
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