Harfield, Clive, <br/><br/>
Covert investigation / 
Clive Harfield, MSc, LLM, MA, MPhil, PhD and Karen Harfield, BSc (Hons) ; with a foreword by Professor John Grieve, CBE, QPM. 
 - 4th edition. 
 - xxxvii, 265 pages ;  24 cm. 
 - Blackstone's practical policing .
 - Blackstone's practical policing. .
<br/><br/> Previous edition: 2012. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> This guide contains all the legislation, codes of practice and case-law relating to covert investigation methods and examines the issues that investigators need to consider when deploying such investigative tools, concentrating on the implications of RIPA. 
<br/><br/> Specialized. 
<br/><br/><label>ISBN: </label>9780198743293 (pbk.) :  £39.99 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Great Britain. Regulation of Investigatory Powers Act 2000. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Undercover operations--Law and legislation--England.<br/>Undercover operations--Law and legislation--Wales.<br/>Law.<br/>Law.
<br/><br/><label>Dewey Class. No.: </label>345.4'2'052