Today I played with a player that was using the masskill hack in Battlefield 3. 
  
The strange thing was that I didn`t saw hackers of those type in a long time, since April last year to be correct. 
  
  
Now I already reported the guy to a DICE developer and she was ingame with him and confirmed he was using masskill hack, he is already on a Banlist. 
  
I wanted to report him here also so that you guys can do some research and Ban the new masskill hack. 
  
This is his profile: http://battlelog.battlefield.com/bf3/user/Daredevil197/ 
  
http://www.team-des-fra.fr/CoM/bf3.php?p=Daredevil197