Unnatural hs/k ratio:
https://www.247fairplay.com/CheatDetector/Shanti9876
Just pulled off a 17 kill streak on a gunmaster! round with an average accuracy of 47%:
http://battlelog.battlefield.com/bf4/battlereport/show/1/953722712561355968/788048851/
Average accuracy of 60%:
http://battlelog.battlefield.com/bf4/battlereport/show/1/953727156489358528/788048851/