§ 938. County detective in counties of Bronx and Kings, County
detectives are hereby empowered, under the direction of the district
attorney by whom appointed, to preserve order, to examine all papers and
processes issued from such offices, to serve all papers and processes
issued from such office, to examine all bench warrants and orders of
arrest in criminal cases, and to perform such other duties as may from
time to time be required of them by such district attorney. Such
officers may be authorized to act as deputy sheriffs by the sheriff of
the city of New York to assist in preserving the peace. Such officers
shall hold office during the pleasure of the district attorney.