I got the power to shoot a copper, and not get charged
In other words, he bought out the local police station: there’s institutional corruption in the police force. Whether or not there’s a few good cops is incidental: the point Tech is making here is that this guy is beyond reproach because of the power he holds in his area. He has enough power through his economic and political influence (tying into to the next character in the chain, the President of the next verse) that the police are powerless to do anything about it. In fact, it goes a step further: he has so much power than he can literally shoot cops and not even get charged. There’s so much institutional corruption that the workers don’t even have the basic court system to protect them.
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