undercover operations survival in narcotics investigations. 

 - illinois:   charles c thomas publisher,   1993.  
 - hardcover  
<br/><br/> 122pp., 26x18 
<br/><br/><label>ISBN: </label>0 398 05871 7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs<br/>informant<br/>Police<br/>undercover