Oh, man... My neighbor, the Mummy-Trunk Murderer? Who knew? I saw and talked to
this guy nearly every single day, for years and years. My husband and I lived one house away from the building that houses the grocery/deli where he worked, and we were in there pretty much daily for seven years. We were casual friends with everyone working there, including him, and he seemed completely (actually,
surprisingly - considering that this was the French Quarter) normal.
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Dang.
We also lived exactly one house away (on our other side) from the building where the murder happened, though I doubt he was living there when we were still there. Maybe he was, but I think I probably would have been aware of that.
Anyway, I never spent any quality time with this guy, but I have to say, if you've ever felt pretty sure you would probably get an unspecified but strong "warning vibe" or creepy feeling from casually being around anyone capable of doing something like this... I'm here to warn you that you really may not. At all. Even if you are more than normally sensitive to emotional undercurrents, etc.
I'm not saying that you're necessarily wrong when you get that feeling, but I'm definitely saying you may not always get that feeling when you should. o_0