This guy seems to have his aimbot set to 50% HS...

38/85HS: http://battlelog.battlefield.com/bf4/battlereport/show/1/904598208896465536/253376476/

55/123HS (20AR ribbons means 120+ AR kills):  http://battlelog.battlefield.com/bf4/battlereport/show/1/904621172471790208/253376476/

14/28HS: http://battlelog.battlefield.com/bf4/battlereport/show/1/904540843295801280/253376476/

21/38HS: http://battlelog.battlefield.com/bf4/battlereport/show/1/904489310432690112/253376476/

28/55HS: http://battlelog.battlefield.com/bf4/battlereport/show/1/904445288737570112/253376476/

And take a look at the HSK column and notice what happens on 20170802 20:41...  http://prntscr.com/gh8bms

...clear as a bell, he goes from 0 HS game after game to too many HS game after game.