http://battlelog.battlefield.com/bf4/user/PosingSumo/

https://bf4db.com/player/367217233

https://www.247fairplay.com/CheatDetector/PosingSumo

http://bf4cheatreport.com/?pid=&uid=PosingSumo&cnt=&startdate=

http://battlelog.battlefield.com/bf4/battlereport/show/1/1153212667737091520/1003160093185/

432 106

How is that possible? Check his SPM in his stats!

Nothing unusual in that BR. Just because you can't get 400 kills doesn't mean others can't.