9 civilians and 1 police officer killed in Colorado shooting

Nine civilians and one police officer killed in Colorado shooting

Shooting interrupts mass - Police officer killed

1 Killed, Officer Injured in Knoxville, Tennessee High School Shooting, Police Say

Innocent Man Killed by Police in Brazil

Family of former juvenile police officer shot

Police officer shot dead in central Paris

Police and several civilians killed in Colorado shootout

#VIDEO: Police Officer Takes a Plunge on Slip-N-Slide in North Carolina

#VIRAL: Woman criticized for motivational message to police officer; she is branded as whitexican

6 Killed In Deadly Jersey City Shootout

Temple University Police Officer Killed on Duty: Cops

#VIDEO: Heartbreaking footage shows families separated as thousands flee Irpin

Big police escort for officer wounded in Houston shooting

Raw - San Diego officer fatally shot, another injured

Police checkpoint shot at in Oaxaca, officer killed