Which death in Walking Dead Season 3 Episode 4 made you saddest?

Warning: Don’t take this poll if you haven’t seen Season 3 Episode 4 of The Walking Dead. It contains spoilers.

Sadly, a couple of key characters die in The Walking Dead Season 3 Episode 4 (Killer Within). Two of them were main characters that have been with the show since the beginning, so it was hard to let them go.