- NYPD commissioner William Bratton said "Wenjian Liu believed in the possibility of a city free of fear"
- Some officers turned their back as New York Mayor Bill de Blasio spoke at Wenjian Liu's funeral in Brooklyn
- Bratton urged reverence after last weekend's silent protest against the mayor
New York (CNN)For the second time in days, New York police -- joined by officers from departments across the country -- buried one of their own Sunday. And again, a silent protest in blue repeated itself as some officers turned their backs on the city's mayor.