> In fact, he was killed by a guy that had an obsession on the girl he recently started dating. The killer didn't even take the wallet to make it look like a mugging: he took it because it had pictures of the girl and the dead guy he wanted to add to his "shrine". (Hmm, I should go write for CSI).
But that's not more likely than any one of thousands of other possible explanations which there is no specific evidence for. Proving a negative, that it didn't happen this way, is also not possible. Thus, that the negative cannot be proved is not evidence for this theory either. See Bertrand Russel's Teapot:
http://en.wikipedia.org/wiki/Russell%27s_teapot.
But that's not more likely than any one of thousands of other possible explanations which there is no specific evidence for. Proving a negative, that it didn't happen this way, is also not possible. Thus, that the negative cannot be proved is not evidence for this theory either. See Bertrand Russel's Teapot: http://en.wikipedia.org/wiki/Russell%27s_teapot.