IGN of reported player:
EBKiller (he is also Homoninja)
Reason:
using f12 to avoid death in stairway
Proof/Evidence:
https://www.sendspace.com/file/nagu5n
http://i.imgur.com/jbUoja3.jpg
http://i.imgur.com/YIAQFLB.jpg
http://i.imgur.com/X4TihF9.jpg
http://i.imgur.com/eWLPAKO.jpg
also GM's there should be more people reporting him soon xD