The commissioner of Federal Preventive Police said the agents had been investigating drug trafficking.
The investigation of crimes was not a central function of the early preventive police departments in England and the United States.
He helped found a new "preventive" police charged with keeping order throughout the country, then headed up the new Federal Investigation Agency, or AFI.
It is being merged with another force, the federal preventive police.The security minister, Genaro García Luna, was the commander of the AFI and is a career detective.
One of those detained, Victor Gerardo Garay Cadena, former interim commissioner of the agency, the federal preventive police force, resigned Friday to face questioning over whether his subordinates had ties to the Zambada drug cartel, which is based in the Pacific Coast state of Sinaloa.
This division of responsibility at the federal level is then replicated through the country's 32 states.Reformers argue that, at present, the country's almost 300,000 preventive police are little more than security guards, under-motivated, under-employed and under-paid.
The Museo de la Policia Preventiva del DF Museumm of the Preventive Police of Mexico City) has a few permanent, no-holds-barred exhibitions about assassins and the history of the death penalty, which was abolished in Mexico in 2005.
Monitoring the incidence of bacterial meningitis is important to plan and evaluate preventive polices.
Mr P. Sundramoorthy, a criminologist who also leads the Research Team on Crime and Policing at the Universiti Sains Malaysia, insists that having some sort of preventive law, similar to the EO, is essential for the prosecution of gang-related crimes.
As a preventive measure, police officers will ride buses the way they do subways.
