this NOOB before 2-3 days from reports like this down with negative k/d  or just couple kills :

http://battlelog.battlefield.com/bf4/battlereport/show/1/867086034119802560/1839979352/

http://battlelog.battlefield.com/bf4/battlereport/show/1/867100321199041792/1839979352/

http://battlelog.battlefield.com/bf4/battlereport/show/1/867084630445817472/1839979352/

http://battlelog.battlefield.com/bf4/battlereport/show/1/867089187954845120/1839979352/

http://battlelog.battlefield.com/bf4/battlereport/show/1/867069012413628096/1839979352/

start to be super pro player having in one round +150 kills and allot head-shots

noob cheater that just start learning the cheat menu

http://battlelog.battlefield.com/bf4/battlereport/show/1/867130244487889664/1839979352/

http://battlelog.battlefield.com/bf4/battlereport/show/1/867466797970005824/1839979352/