article_snippet.sent: (CNN)For the fifth year in a row in 2014, ambush attacks on police officers were the No. 1 cause of felonious deaths of law enforcement officers in the line of duty.
article_snippet.sent: In the days before he assassinated New York police officers Rafael Ramos and Wenjian Liu at point blank range while New York police officers Rafael Ramos and Wenjian Liu sat in New York police officers Rafael Ramos and Wenjian Liu patrol car last December, Ismaaiyl Brinsley is known to have used the Waze application to monitor the movements of police officers.
article_snippet.sent: The killer identified the location of police on The killer own Waze account and even posted screen captures to Instagram.
article_snippet.sent: Every day, thousands of police officers and deputies enforce traffic laws, execute arrest and search warrants, investigate domestic violence complaints and perform countless tasks that are needed to keep our neighborhoods safe and remove criminals from the streets.