FBI special agent Omer Meisel, who is a member of Mueller's Russia investigation team, drives into the garage of the U.S. District Court in Washington
Having FBI agents on hand obviates the need for any prosecutor to testify about what was said, but in the current probe also serves a second purpose: providing someone who could testify even if Muellers whole prosecution team were removed and replaced. Said one former federal prosecutor, who asked not to be named: If anything happens to the special counsel, the bureau will still be there.
I have read that up to 40 FBI agents worked for Mueller's team. And guess what? They are still "at work."
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....bears repeating.