Lost

I present you the ultimate proof that Jack actually caused the incident.

First thing's first:Let's Review The grandfather Paradox for those who don't know it.

"Say you invent a time muchine you go back in time and accidently kill your grandfather before he meets your grandmother then you would have not been conceived therefore you don't invent the time muchine and you don't kill your grandpa so you are conceived which Allows you to invent a time muchine and kill your grandfather again so you will be stuck in an endless time loop"

This is the same deal"The incident happens in 1977 which leads to...