Multihack.

http://battlelog.battlefield.com/bf4/zh/battlereport/show/1/937314963854683648/585871865/ 

http://battlelog.battlefield.com/bf4/zh/battlereport/show/1/937305282239229440/585871865/ 

http://battlelog.battlefield.com/bf4/zh/battlereport/show/1/936883535333518848/585871865/ 

http://battlelog.battlefield.com/bf4/zh/battlereport/show/1/937662406433664512/585871865/

He is using M32 no matter which team he is on. 

On this server the RU team is on the high ground, and he "managed to" get a M32 when 64 people were stuck at the escalator. 

And although not quite obvious, maybe he is using some sort of aimbot as well.

http://battlelog.battlefield.com/bf4/zh/battlereport/show/1/930435849425840896/585871865/ 136K 56HS

http://battlelog.battlefield.com/bf4/zh/battlereport/show/1/929616996941101568/585871865/ 50K 21HS

https://bf4db.com/player/585871865/snapshot/5153