OK, so turning their backs is not the best option.
How do you think the NYC cops as a whole should address this problem of their boss showing public disrespect towards them that led to two of them getting whacked?
I want to reiterate that in no way standing up for the mayor, who I find despicable.
A funeral seems like not the right place for this type of demonstration. While I would not have allowed him to come, that is an irrelevant point. The policeman's widow did.
Oddly, I have no problem with the "looking down." That seemed to have less of a "look at me" aspect to it.