CP13214761 | Police: Wisconsin state trooper shot and killed 

CP13516143 | Denver Police Officer Shot Dead 

CP13175315 | Police Kill Man Suspected of Slaying Officer 

CP13370087 | Police: Officer In Louisiana Shot, Killed 

CP170542728 | Police: officer, sheriff's deputy and suspect killed in upstate New York shootout 

CP16858171 | 2 officers shot, gunman killed in Arkansas Walmart 

CP13454780 | Man Arrested for Killing NY Police Officer 

CP172995898 | Dallas officer killed, 2 wounded by man who is fatally shot after highway chase, police say 

CP13392338 | Ohio Officer Shot, Suspect Killed 

CP13314536 | Idaho Police Officer Killed, Suspect Charged