As his name says he is in servers killing people with ammo boxes. in one game he got 75 kills http://battlelog.battlefield.com/bf3/battlereport/show/17641106/1/18224880/ i don't know why he is unknown player but i have fraps proof of him hacking. please do something about him!!
http://battlelog.battlefield.com/bf3/user/ammoboxkiller/
right now im finding a way to upload the video to youtube