Criminal investigation .. 
July 1951. 
 - Washington  U.S. Govt. Print. Off.  1951. 
 - 258 p.  18 cm. 
 - Dept. of the Army manual FM19-20 .
<br/><br/> Supersedes FM 19-20, 30 April 1945, including changes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Criminal investigation.<br/>Evidence, Criminal--United States.