Begin from 40 seconds of video. His aim continues to mechanically follow enemies that are not spotted and are behind cover

https://youtu.be/iEBxluRyqjc 

http://battlelog.battlefield.com/bf4/en/battlereport/show/1/1042810178587113280/1003055436395/

http://battlelog.battlefield.com/bf4/en/battlereport/show/1/1042804135320663872/1003055436395/

http://battlelog.battlefield.com/bf4/en/battlereport/show/1/1042799594567153472/1003055436395/

His accuracy and HSKR do not match