Chartres France griefer
http://tac-rank.gameme.com/players/insmod/?type=cityinfo&valuecity=chartres
http://fun-arena.gameme.com/players/insmod/?type=cityinfo&valuecity=chartres
http://xxlgamers.gameme.com/players/insmod/?type=cityinfo&valuecity=chartres

Possible STEAMIDs (17):

STEAM_0:0:40721965
STEAM_0:0:40714284
STEAM_0:0:40721968
STEAM_0:0:40762710
STEAM_0:0:40661713
STEAM_0:0:40775358
STEAM_0:1:40727890
STEAM_0:0:40775443
STEAM_0:0:40756084
STEAM_0:0:40776128
STEAM_0:1:40751306
STEAM_0:0:40777462
STEAM_0:0:40776139
STEAM_0:0:40755584
STEAM_0:1:40317354
STEAM_0:1:40557222
STEAM_0:1:40463001

Possible IP addresses:
77.192.197.*
79.90.33.*
addip 0 77.192.197
addip 0 79.90.33
writeip

Also:
http://insurgencymod.blogspot.com/search/label/TAC

IMSID2E554882ED615F9B0B4B16C4DF7C26F6A0D89F0D