The lead prosecutor on Robert Mueller's team has some issues with the way the probe was conducted. We hear about those, plus his take on Trump's newly public tax documents.

On Today's Show:
Where Law Ends: Inside the Mueller Investigation (Random House, 2020), "}" data-sheets-userformat="{"2":10552,"6":{"1":[{"1":2,"2":0,"5":[null,2,0]},{"1":0,"2":0,"3":3},{"1":1,"2":0,"4":1}]},"7":{"1":[{"1":2,"2":0,"5":[null,2,0]},{"1":0,"2":0,"3":3},{"1":1,"2":0,"4":1}]},"8":{"1":[{"1":2,"2":0,"5":[null,2,0]},{"1":0,"2":0,"3":3},{"1":1,"2":0,"4":1}]},"11":4,"14":[null,2,0],"16":13}" data-sheets-formula="=IF(RDAUX!R[-5]C[2] = "",RDAUX!R[-5]C[5], CONCATENATE(RDAUX!R[-5]C[2], ", ",RDAUX!R[-5]C[4], ", ",RDAUX!R[-5]C[5])) ">Andrew Weissmann, now teaching criminal and national security law at NYU School of Law and the former lead prosecutor in Robert Mueller’s Special Counsel's Office, talks about his new book, Where Law Ends: Inside the Mueller Investigation (Random House, 2020), and more generally about what's at stake for the Justice Department in this presidential election.

Where Trump’s Tax Returns Meet The Mueller Investigation