Hill Street Blues : Hunter demoted?

Hunter demoted?

I have been watching the show on H&I. I've missed a few weeks' worth of episodes. In the episodes that I have seen Hunter was a Lt. In the episode airing right now, he's a sergeant. What happened? Was he demoted for poor job performance. Please help.

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Re: Hunter demoted?

He's demoted because he kills a boy during a liquor store robbery. There are some issues with the shooting since he was off duty and he didn't use his service weapon.