Who?

Who had killed Wilbur? after the explosion had occurred, everyone knew it was Will who pressed the button. but he was no where to be seen, assumed to be in the control room.

after the battle, Wilburs body is found in the control room, killer unknown.

While a father battles guilt and grief over killing his son. Deciding to find a way to get him back, even if it cost him everything.

or

the members of the dream smp didn't see who killed Will and Phil lies.