I was just wandering about in 'The Following' and stumbled across a dead body on a bridge. I was able to roll over the body, and underneath were a set of keys. I picked them up and it said, 'Obtained Keys to Mail Van'.
I've already completed the game and this is not related to the side quest 'Going Postal'. I also do not think it is related to the Easter Egg ending. And it is not a missing person body to ID.
Does anyone happen to know what this key is to? I can't find anything online about this key.
Perhaps it's just reset from the 'Going Postal' mission but I don't recall having to get a key on a bridge for that mission.
I believe this is the location I was around: