The Walking Dead - The Walking Dead: Season 2 - Episode 1: All That Remains
The person Clem knows is a walker being used as "repellent" for the people they encounter? She does say "Dead" as in permanently dead, doesn't have to be used as a term for a zombie. So maybe they're going to go the dark depressing route and make it an undead Kenny or Lee or something? We don't know how far this group has traveled that we encounter..