re: #514 Wendell Zurkowitz ((slave to the waffle light))
They just need one small inconsistency that they can pounce on to then declare the entire investigation to be invalid and fraudulent…
which is why Mueller is playing his cards so close to his chest. Any sort of partial leak could scupper the whole process.
Either that, or he already has the aces, but wants to see how deep the rot goes to secure himself and the Bureau.