TY - BOOK ED - United States TI - Criminal investigation . T2 - Dept. of the Army manual FM19-20 PY - 1951/// CY - Washington PB - U.S. Govt. Print. Off. KW - Criminal investigation KW - Local KW - Evidence, Criminal KW - United States N1 - Supersedes FM 19-20, 30 April 1945, including changes ER -