Special Counsel Robert Mueller has impaneled a Grand Jury. Does that necessarily mean he sees charges materializing down the line? Is Mueller in search of a crime or trying to prove a crime? What strategies should Trump's legal team implement if subpoenas for his financial documents are issued? What are the parameters of the investigation? Is it over-broad? Former US Attorney and Executive Director of the Foundation for Accountability and Civic Trust, Matthew Whitaker joins Dan and Amy to discuss.