[ContemptofCourt]

Because police wear flak vests,

It is clear that this guy is quite capable of head shots...

are armed,

Moot when there is a slug in your head...

have radio support,

Ditto

and perhaps because he didn't have a shot that he liked.

perhaps....

[Cobra Scott]

If you sniped some cops, you aren't going to stop cops from going to work, going to the store, etc.

Just like if the 9/11/01 attacks had all been postal and had all targeted military bases.