Extra high accuracy in some battlereports even when he played on Hardcore. Still had bad spm\kd\kpm
Suspicions kpm on sniper rifles and dmrs.

http://battlelog.battlefield.com/bf4/battlereport/show/1/964885798799540672/1244201991/

http://battlelog.battlefield.com/bf4/battlereport/show/1/964879354024952256/1244201991/

http://battlelog.battlefield.com/bf4/battlereport/show/1/964222287327301952/1244201991/

http://battlelog.battlefield.com/bf4/battlereport/show/1/964208757387596096/1244201991/

http://battlelog.battlefield.com/bf4/battlereport/show/1/964197354131984704/1244201991/

He had same accuracy in most situations softcore or hardcore, idk i played on LSD servers and had good scores, but i played only with 22-24% aek\ace with zouzou spamming and crouch+shoot. I just couldnt bring such spm like 2000-3000+ on hardcore. On rush soft it can be, but this hacker played on my home Lux server and he just camped all time. So i didnt see any pro players who camped on 2000+ spm(with 10-20min ingame) with m4 or sniper rifle with 4kpm even with nonstop switching from main to sec. weapon\devices.