Hacking

http://battlelog.battlefield.com/bf4/battlereport/show/1/1016786865833054400/1003426682868/

(headshots in relation to total kills / best weapon)

http://battlelog.battlefield.com/bf4/battlereport/show/1/1016759945297713216/1003426682868

(same as above)

http://battlelog.battlefield.com/bf4/battlereport/show/1/1016966689495822016/1003426682868/

(same again)

http://battlelog.battlefield.com/bf4/battlereport/show/1/1016992331567064000/1003426682868/

(similar, but this time includes a usually unobtainable battle pick up)

http://battlelog.battlefield.com/bf4/battlereport/show/1/1017140079922665472/1003426682868/
(unobtainable battle pick up as well)