I appreciate your concern for my safety, but I already know how this will end for me and I accept the risk. If I have luck, and you are careful, you will have everything you need. I ask only that you ensure this information makes it home to the American public.
...
The plaintext of the payload will include my true name details for the record, though it will be your decision as to whether or how to declare my involvement. My personal desire is that you paint the target directly on my back. No one, not even my most trusted confidant, is aware of my intentions and it would not be fair for them to fall under suspicion for my actions. You may be the only one who can prevent that, and that is by immediately nailing me to the cross rather than trying to protect me as a source.
(из переписки Сноудена с журналистом за полгода до начала публикаций)