Quote Originally Posted by Lindy
But what about the scientist on the plane? The guy who releases the virus asks her what she does, and she says she's in "insurance".

Did she come back to stop him and does she stop him, or was that the present for her and she just bears witness to the whole tragedy?
It means that after he was sent back they recived his message telling them what was going to happen so she went back to stop the scientist, thus saving the world but leaving Mr. Willis stuck in his Paradox.