From April 2016:
“Michael Sussmann interviewed FBI General Counsel James A. Baker during a 75-minute session during the International Association of Privacy Professionals’ 2016 Global Privacy Summit in Washington, D.C., discussing the fallout of unlocking an Apple iPhone without the company’s help. This discussion was covered in The New York Times, Washington Post, Law360 and IAPP’s The Privacy Advisor.”
https://www.perkinscoie.com/en/news-insights/michael-sussmann-interviews-fbi-general-counsel-during-iapp.html