This player "POCClA" was using WALLHACK and AIMBOT on Locker here's one of his Battle Reports and everyone saw that he was hacking but no admins were online to ban him but he got reported for all players that were on the server.

Battlelog Profile: http://battlelog.battlefield.com/bf4/user/POCClA/

Battle Report: http://battlelog.battlefield.com/bf4/battlereport/show/1/914586344334862848/933040510/

Be sure that this guy is banned fastest possible, at least on BF4DB Server Plugins.