Hey, I get how folks working these types of professions can become full of frustration, but fact is, what this particular officer did is plain wrong. To strike a female who is WALKING AWAY is ridiculous.
Maybe the chick did shove the cop, but as I say, when he punched her, she was walking away. At most, he should have restrained her in some non-violent fashion.
It's not like this was a 250-pound man who was charging the cop or actively being aggressive towards him.
I have A LOT of patience for people who deal with an endlessly moronic public, but I cannot condone what this jackoff officer did. His reaction was unjustified.
He was reacting to brain stem emotion at this point.