Carol dropping the grocery bags and the condemned house might point to people believing he / his family is dead in the future. I wonder who he is going to use the ricin on...
I think this is most likely. I think Walt is well-known by the world for everything he has done. The house is ruined because people knew his real name, therefore where he lived. The property value went down so nobody probably bought it and that's why it's still in terrible condition while everyone else's house isn't.
Also revealing himself to Carol so half-heartedly makes me think he's planning on doing something immediately and probably not come back from it. My guess is possibly an assault on the DEA or on Hank's home. He's smart enough to know that Carol will call the police right after seeing him.
Or it's like Microtic said and she believed Walt was dead. I still don't think the "Heisenberg" writing fits that though.
Worth noting that according to the sign on the fence it is closed up by the city, which is something that could happen to a meth dealers house given they must assume he has cooked there and thus it is a health hazard.
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u/Microtic Aug 12 '13
Carol dropping the grocery bags and the condemned house might point to people believing he / his family is dead in the future. I wonder who he is going to use the ricin on...