Originally Posted by son_of_siggy
It's not like county lines are some magical barrier that will destroy police should they pass through it. You committed a crime in his jurisdiction, and in most areas he's allowed to follow you in to another zone to cite you.
The reason why chases are sometimes waved off is because of a risk to public safety, not because police suddenly hit some barrier they cannot cross, especially within the same state.
Yup. He has every legal right to continue pursuing you, he may have pulled you over "outside jurisdiction", but he's under no obligation to cease pursuit simply because you crossed over into another city/county. I'm not sure how points work in your state, but for me 2 points wouldn't be worth going to traffic court over. I'd just pay it, get radar/lidar detection, and move on.