I've gone through several cycles. When I was little, I was the cute kid with missing teeth and funny one-liners. Then I moved on to be the young guy who wanted to be a grownup.
It's hard to reinvent the wheel with a cop show. But 'Rookie Blue' has a pure emotional center that's not cynical.
I'll tell you one big misconception. Cops never say 'Freeze!' It might be misinterpreted. They might think you were, like, ordering fries. Or that you had fleas.