Multihack:

https://bf4db.com/player/371230508/snapshot/14201 

https://www.247fairplay.com/CheatDetector/one2manydrinks#toc-current-bf4-battlelog-stats 

High headshot rates and higher DPS registrated.

Got also reported for using the Icicle knife in metro 2014, I have no proof for this, eventhough these people which reported it are highly strustable. 

http://battlelog.battlefield.com/bf4/battlereport/show/1/1027474643472643200/371230508/ 

http://battlelog.battlefield.com/bf4/battlereport/show/1/1027422515576206464/371230508/

http://battlelog.battlefield.com/bf4/battlereport/show/1/1027474643472643200/371230508/

http://battlelog.battlefield.com/bf4/battlereport/show/1/1027452147994227840/371230508/