EDIT: You didn't say you were there to cop dope, but I'm assuming you do considering the location of your post

Either way, my answer is the same, avoid Camden for a while and have your friends come and visit you.
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Unfortunately, it's probably time for you to cop in a different city. Risk is too great my friend, especially if they are targeting YOU specifically. You're a short drive away from a handfull of primo dope markets, don't keep going back to the one that is eventually going to screw you over. Consider the cop's actions a warning of sorts, they are telling you they are watching you and they WILL arrest you the first chance they get. Unless you can bribe some middleman in Camden to cop for you AND meet you outside of the city, and that will also end badly at some point, just pick a pick a different city and move on...
Before we decide to play the COP DOPE IN AN OPEN-AIR MARKET game, we all have to balance the risk versus the reward...and for you apparently, the risk certainly appears to be much higher than the reward. If you were in say, I don't know...Idaho, and you had ONE dope spot within a days drive...you could tolerate those a-hole cops and roll the dice, but you have other spots at your disposal, and I hope you can use them!