Responses
No, he killed his mom by choking her and the CEO Daughter isn't his first victim, but a random one. Sangwoo was already a Specialist at that time.
What Anonymous said:
He was a serial killer, killed a lot of people between their parents dead and meeting Bum.
So he wasn't a real murderer till he killed that CEOs daughter?!? if so why kill her? Bc he knew bum was coming? Help