Aimbot
http://bf4cheatreport.com/ - Probably aimbot, I'm trying to get a video...
https://www.youtube.com/watch?v=ZgrDBSU5keI
02:29 turns and opens to the chest
02:37 Fast/Insta HS for such low-level skills
04:20 (may be spec bug or it's something like bullet magic)
04:43 Possible Wallhack
12:50 he allocates very fast to the other guy on the side, a beginner playing '' technically '' for the 1st time can't do one of these and keep it accurate like this. Probably AImbot
Extra report: A uncommon number of spot Ribbons (while playing as Assault) also suggest an auto-spot hack