Sennewald, Charles A.,  1931- <br/><br/>
The Process of investigation  concepts and strategies for the security professional 
Charles A. Sennewald. 
 - Boston :  Butterworth Publishers,  1981. 
 - 238 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0409950181 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Criminal investigation.<br/>Detectives.