Originally Posted by Lizard2112

I'm thinking...Jack never found his dad's body on the Island, just an empty coffin. I can't remember, did he ever view the body?

Then he heard his dad's voice over the intercom while in the shark tank.

And now a connection that needs either Christian or Sawyer to answer it? I just dunno. A long time back it was suggested that Christian was "him". Given the number of theories about this show that have circulated I'm sure some of them are actually true.