In the link you will see the evidence of this "Veterton" who is rated "GOOD" on your system.
My encounter with him was 2 days ago, flying and spamming SMAW's without reloading and also invisibility.
Video speaks for it's self.
Youtube -
https://www.youtube.com/watch?v=hbKSXNO8eCI&t=1s
Battlelog Stats -
http://battlelog.battlefield.com/bf4/soldier/Veterton/detailedstats/1924080752/1/
Kind regards,
Bronstantine