I believe he is wallhacking and possibly using an aimbot. He is very suspicious, I am trying to see if I can get some video evidence of him.

https://www.247fairplay.com/CheatDetector/ko0opa/history

Statreset by FairFight, yet most likely aimbotting again.

http://battlelog.battlefield.com/bf4/battlereport/show/1/887916363673089088/1776157074/