this player every now and then jumps into game for 1 game and leaves. he joines grabs a heli gets a 150+ kd ratio and he leaves to not get suspicion.
https://bf4db.com/player/1795279352
https://bf4stats.com/pc/MinatozakiSanaJP
here is the video
notice he manages to kill every engineer in the base before they can get lock on, even before they can come out of cover.
an example of hack he's using: https://www.youtube.com/watch?v=9f4Fd_91xX0