But he's already on record saying "The information is coming out, no matter what happens to me". This isn't his ace-in-the-hole insurance for him as much as it

But he's already on record saying "The information is coming out, no matter what happens to me". This isn't his ace-in-the-hole insurance for him as much as it is insurance that killing him can't stop the release of the information. That makes him far less valuable as a target for "extralegal field maneuvers". By distributing the file, he's announced that the information has become a hydra - cutting off its head won't kill it. This won't stop the US from pursuing him, but it guarantees that his goals will be met regardless of his personal safety.