possibly under a "preserve all documentation" order or whatevs.
forget what that's called.
not gone if you know how to look
archive of tweet has link to archive of article embedded.
point is, she didn't delete the tweet. lol.
the reality is that there's probably not much to be learned, forensically, from the routers, but they don't know that, and so the dedicated lack of transparency is enough to tell the story.