<p>Thousands of NYPD cops turned their backs on Mayor de Blasio on Sunday outside a Brooklyn funeral home as he eulogized a murdered NYPD officer inside.</p>
<p>As de Blasio addressed the loved ones of Detective Wenjian Liu in the Aievoli Funeral Home in Bensonhurst, the sea of blue watching the funeral on huge TV screens outside showed their disgust for Hizzoner by turning around as he spoke.</p>