The player I'm reporting: http://battlelog.battlefield.com/bf4/soldier/MED0VIK/stats/860084761/pc/

Proof of cheating:

3 high dps games with low headshot rate. I'm sure there are more games to be found but it is difficult to find games from 8+ months back.

http://battlelog.battlefield.com/bf4/battlereport/show/1/876441507719017344/860084761/
2.43 Hits per kill 

http://battlelog.battlefield.com/bf4/battlereport/show/1/909862385965209344/860084761/
3.33 Hits per kill 

http://battlelog.battlefield.com/bf4/en/battlereport/show/1/878276073441138432/860084761/
2.8 Hits per kill

I give two links - https://www.youtube.com/user/komissarkomissarchik/videos and https://www.youtube.com/watch?v=aext2Emddfw (its old cam video, when he was drunk and played solo) , cuz i know him since 2013, i know how he play and how he kill ppl. In most this reports he played with me or our friends and "medic" companions like Metinpasa or some of extra good infantry players. We are in AULA cuz loved Luxgaming rush, our main rule - be ptfo rushers . But yeah, we still casual plebs and farmers, so saving our kd and get more kills by flanking with squad - main priority) ITs funny to see that you didnt report  me how i did it with you (cuz my main info - chat between you and Chaost from RUSH platoon a year ago about how you used hacks in bf4, but he just not screened this, so i left alone the topic of your involvement in cheating). Btw he had footages like your's smurf and main accs, so i am really disappointed in you as a player. In the near future, I will notify Medovik, he himself will be able to take part in the discussion and i'll hope for an adequate assessment of the moderators. Btw its usual practice, when "competitive around" players and just good players suspect each other of cheating.

Case is in review. Will do some calculations on the damage to verify if the K/H is possible or not. Stay tuned.

Flaming will not be tolerated.

How u calculate

2,43 hits per kill ?

3,33 hits per kill ?

2,48 hits per kill ?

Maybe you mean the developer console pannel in Chrome?

More evidence. According to 247FairPlay, his average K/H with AEK-971 is 5,938.

These battlereports are very impressive when compared to the Mean. 

http://battlelog.battlefield.com/bf4/battlereport/show/1/863442772988635712/860084761/

2.68 hits per kill with aek

http://battlelog.battlefield.com/bf4/battlereport/show/1/863429447399615040/860084761/

2.51 hits per kill with aek

http://battlelog.battlefield.com/bf4/battlereport/show/1/864159032508525120/860084761/

2.57 hits per kill with aek????

http://battlelog.battlefield.com/bf4/battlereport/show/1/863482515285715520/860084761/

2.62 hits per kill with aek

http://battlelog.battlefield.com/bf4/battlereport/show/1/862005887285266816/860084761/

2.73 hits per kill with aek

http://battlelog.battlefield.com/bf4/battlereport/show/1/861287208729459392/860084761/

2.91 hits per kill with aek

Other weapons: 

http://battlelog.battlefield.com/bf4/battlereport/show/1/860968047943295040/860084761/

3.66 hits per kill

http://battlelog.battlefield.com/bf4/battlereport/show/1/860884892190102720/860084761/

3.05 hits per kill

http://battlelog.battlefield.com/bf4/battlereport/show/1/863455090053065280/860084761/

2.76 hits per kill

I believe Med0vik did not always use the dps hack, since there are MANY more battlereports with normal 4-5 hits per kill statistics. 

A battlereport where he has normal Scar-H stats but still doesnt reach his AEK-971 level.

http://battlelog.battlefield.com/bf4/battlereport/show/1/733438804408923840/860084761/

gets 3.49 hits per kill with Scar-H which is normal. 

http://battlelog.battlefield.com/bf4/battlereport/show/1/864159032508525120/860084761/ I can not verify cause the server is gone, but it seems to be a hardcore game. It fits the hardcore damage of the AEK, and the damage is about the same as other players have on the server. Same goes for the other reports from that server.

http://battlelog.battlefield.com/bf4/battlereport/show/1/860968047943295040/860084761/ This one is also possible considering the amount of explosions on locker it is not uncommon to get multiple hits with one bullet and thus upping the damage. Explosives and fire damage also carry over as hits and can affect multiple targets at once upping the overall damage too.

I do not see any evidence for cheating at the moment, so I will close the thread. If new evidence comes in PM someone of the staff first before creating more of the same threads.

Edit:

We got send a few video's and battlereports which have been analyzed by all staffmembers. We came to the conclusion that the higher damage output is caused by the use of impact grenades. Impacts do not pack enough punch to instakill on normal servers, and thus leave the target at low health. An additional shot with the primary or sidearm is needed to finish the job, which leads to "one shot kill" on that weapon. Situations where the healthbar drops faster then usual or hitmarkers showing up late seem to be caused by server update issues.

Furthermore the overall damage (shown on the players profile) on the used weapons is not higher then usual, and has been normal for over 9 months and even before that.