Denver. Police department. Identification bureau Identification bureau is one of finest in country. Post D 4, 1932 p.b Marland considers using retina methods of identifications.. Post Jy 15, 1935 p.1 Bureau of Identification and Records has 140,0d0 personal histories in files. Rl^flT Mr 17, 1941 p.9 Police beat. Identification bureau. RMN S 8, 1947 p.16 n