Originally Posted by Dead Watcher
My question about Radioman is this, why did he feel the need to stalk Lee? I get the fact that he blamed Lee for losing his family and he feels guilty but, to go that far? And how did he not get attacked himself by zombies when he was stalking Lee? Why didn't he rescue Lily if she was left out at the road side?
Because none of that is meant to matter. He's a plot device to force Lee to question his motivations throughout the story. The problem is that plot devices are meant to be subtle and not obvious that they are contrivance. Unfortunately he doesn't really work once you start asking questions about Radioman/The Stranger's motivations and location at any given point.
Also, sadly, it would seem that TTG's only defence is the "he's crazy so it doesn't need to make sense" defence. Which is kind of weak. I wish they had put a bit more thought into that part of the narrative.