She may be incompetent,
but what I see is outright ideological CORRUPTION.
She wants Zim convicted to send a message that
YOU SHALL _NOT_ DEFEND YOURSELF FROM THUGGERY.
http://theconservativetreehouse.com/2013/07/05/thats-my-boy-now-wheres-my-money-wheres-my-benjamins/
It’s a form of gun control.
What good is concealed carry if you’re being beaten and fear for your life and you can’t use the weapon to defend yourself?
Mostly it was an election year attempt to motivate blacks and make them feel they are oppressed, etc. to get them to vote. Motivate the base.