Conspiracy theory
Prosecutor: "The conviction got overturned on appeal. We're going to need all our witnesses back for the new trial."
FBI: "That might be a little complicated..."
They protect the witnesses so that they can testify in court. It would become pretty obvious pretty quickly if all of the witnesses were the opposite of protected.
The tweet is talking about those who get protection even after the trial is complete.
Guess I missed the part where he said that.
Permanently Deleted
Actually I'm in witness protec-