So I have a theory and I would like help from everyone here to prove or disprove it. I believe Arthur was help captive along with Walter. I think the two of them kept each other going by talk to one another at night while the people holding them captive and killing them were sleeping. I think Arthur was from a bad home, and Walter was from a good home. I think Walter told Arthur about his home, mother, life, etc. I think Walter could have offered to take Arthur home with him and make him his brother. He would say perhaps something, "We both look so much alike, everyone will think we're brothers anyway". I think they did get loose, but I think the man heard the commotion, like in the movie. Perhaps he chased the kids with an axe, and Walter gets killed in the scuffle, but Arthur gets away. Than someone sees Arthur and asks him if he is Walter, and Arthur just goes along with it. Any chance we can get a hold of Arthur's children or grandchildren? They may know more about this theory.
