
Police officers pay their respects at a makeshift memorial near the site where New York City police officers Rafael Ramos and Wenjian Liu were murdered in the Brooklyn borough of New York, Monday, Dec. 22, 2014. Police say Ismaaiyl Brinsley ambushed the two officers in their patrol car in broad daylight Saturday, fatally shooting them before killing himself inside a subway station. (AP Photo/Seth Wenig)