Here is a map generated by PBBans that highlights their latest BF3 bans: http://www.pbbans.com/mbi-latest50-bf3-lfb41.html Notice the red circle... *This is actually not a troll attempt, that is real statistical data from PBBans.
Somehow this does not surprise me. Most hackers that get caught use common scripts that get detected. Most hackers that never get caught, write their own scripts. No disrespect intended by say this, but there are some damn smart people in that region of the world. This is how it was when we ran COD2 and COD4 servers. There are still hacks in use today in COD2 and COD4, that existed 4-5 years ago, that PB never detected.