Heh…

Update: Technically he isn’t a traitor because he’s never been on their side.

Via NY Post:

Mayor Bill de Blasio was booed and heckled as he spoke to the city’s newest cops Monday morning.

During a graduation ceremony for the latest class of graduates from the Police Academy, audience members shouted “Traitor!” as Hizzoner took the podium in Madison Square Garden.

Update: There’s video…