In terms of reasonable suspicion for transmission data, it may or may not be totally revealing. There are a lot of examples where it will not be in an individual sense, that is, receiving one hateful bullying e-mail, for example. You need the transmission data to know who you're investigating. So because it's may or may not, that's where the other part of the bill is really important, that if the recipient of the order says you're asking for way too much, they don't have to provide it, and they can go to a judge.
On May 27th, 2014. See this statement in context.