Police operations : theory and practice 
Hess, Karen M. 
 -  Thomson Delmar Learning.  2006 
 - xvi, 527 pages 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Law enforcement --United States.
<br/><br/><label>Dewey Class. No.: </label>363.23 H5861 2006