Shep on Fox reported a signature 5 stars began each sniper letter, and that it was related to a band with lyrics about death. Couldn't find the band or lyrics but someone else may be able to. Of course it may be related to this as well: Ibn `Abbas said that `Ali b. Abi Talib said to the Messenger of God: You are like my father and my mother! You have mentioned the course of the retrograde stars (al-khunnas) by which God swears in the Qur'an, together with the sun and the moon, and the rest. Now, what are al-khunnas?...