What does PS stand for?

MLA style: "PS." Acronym Finder . 2012. AcronymFinder.com 1 Jun. 2012 http://www.acronymfinder.com/Polizia-di-Stato-(Italy)-(PS).html
Chicago style: Acronym Finder . S.v. "PS." Retrieved June 1 2012 from http://www.acronymfinder.com/Polizia-di-Stato-(Italy)-(PS).html
APA style: PS. (n.d.) Acronym Finder. (2012). Retrieved June 1 2012 from http://www.acronymfinder.com/Polizia-di-Stato-(Italy)-(PS).html

Polizia di Stato (Italy)

This definition appears very rarely and is found in the following Acronym Finder categories:

Military and Government

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Samples in periodicals archive:

The Polizia Di Stato, who are responsible for policing and investigations in major urban areas and some rural places; the Carabinieri, a semimilitary force that is responsible for policing mainly rural areas with some overlapping responsibility in the cities; and the Guardia Di Finanza, which are the treasury police and are primarily responsible for the investigation of narcotics trafficking, white-collar crime, and other economic crimes.

Courtroom security: the international scene