if it was a hack as the third account claims, then the hypothetical hacker would likely have taken the money already, assuming this hack even exists, the private keys are already compromised given the signed message: https://bitcointalk.org/index.php?topic=1306301.msg13378692#msg13378692
really find it hard to believe this claim is true.
He wrote something about his wallet needs a verification from his smartphone. Does Armory support 2FA maybe? It might be an explaination for why the coins didn't move. Of course only when you want to take his story.