https://bf4db.com/player/1004197805219

Check pls how many headshoots he do. He use aimbot, esp, damage...

http://battlelog.battlefield.com/bf4/ru/battlereport/show/1/1103707306556515200/1004197805219/

27 headshoots

http://battlelog.battlefield.com/bf4/ru/battlereport/show/1/1103691711719007104/1004197805219/

6 headshoots / 90% 

http://battlelog.battlefield.com/bf4/ru/battlereport/show/1/1103663024727588608/1004197805219/

18 headshoots / 80%

These are all rounds using M40A5 and there's no sudden performance improvement. Could be a smurfing account.

Nothing unusual