So, I suggest making it so if you die in one of the spawn locations or near it you can't spawn within a reasonable distance from it.
I'll give you a little story of what happened.
Me and 2 of my friends were playing on the server, the active city was SF.
We went to Angel Pine to rob some stores, we drove there, started robbing and two of us got 4 stars.
Two cops came to Angel Pine, we somehow managed to kill them both.
They after death just chose Angel Pine as the spawn location and were both back there in a matter of seconds with full hp and armor and all their guns.
So they have infinite respawns and we don't. Really uncool.
So I recommend fixing that.