Karen M. Hess. <br/><br/>
Police operations: :  theory and practice / 
Hess, Karen M. 
 - 4th ed. 
 - xxv, 513 p. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Police.<br/>Police - United States.