`` A hero 's funeral is about grieving , not grievance , '' Bratton said in a memo . Bratton commissioner William Bratton said ` ` Wenjian Liu believed in the possibility of a city free of fear '' Some officers turned their back as Brooklyn Mayor Bill de Blasio spoke at Bill de Blasio funeral in New York . Bratton urged reverence after Saturday silent protest against the mayor .
Bratton commissioner William Bratton said ` ` Wenjian Liu believed in the possibility of a city free of fear '' Some officers turned their back as Brooklyn Mayor Bill de Blasio spoke at Bill de Blasio funeral in New York . Bratton urged reverence after Saturday silent protest against the mayor .