Talk:Mortal Kombat X/@comment-99.105.83.169-20140612004903/@comment-25051056-20140612021752

Murderer could also be towards him killing Scorpions family.

Which would also point to the same Sub-Zero, but to be fair, it is unconfirmed. But him being Bi-Han is a safe bet, considering the whole "Soulnado" event, and Kuai being under Quan Chi's control.