It would depend on what you would consider the worst.

[He calmly turns the cup to loop his fingers into the handle.]

I'm not sure how well you know Adam Jenson. He was killed just before you arrived. The United Earth was using his cybernetic implants as a means to spy on us. They succeeded. In return for his service, they used his body as a bomb to destroy us.

That attack ended in their own failure. However, the Initiative has given us word that Elmer's world is destroyed. I have never met him myself, though I must admit that it was a terrible fate to suffer. To have your entire world destroyed...hm, there's little we can do.