TY  - SER
AU  - Blake, Melissa J.
AU  - Miller, Roger D.
TI  - Ambushes on U. S. law enforcement officers
SN  - 0032-2571
U1  - BPer. 363.02 
PY  - 2015///
CY  - --Alexandria, USA
PB  - The International Association of Chief of Police, Inc.
KW  - Law enforcement officers - Death
ER  -