With less than 24 hours to go before Robert Mueller's anticipated testimony on Capitol Hill, "The Investigation" sits down with one of the members of the House Judiciary who will ask the special counsel questions - Congressman David Cicilline: "I think it's deadly serious and I think that's how the hearing will proceed." As for his thoughts on Mueller's final report, the Rhode Island Congressman sums it up: "The evidence he collected is explosive and damning and very, very disturbing." And when it comes to impeachment proceedings, Cicilline tells "The Investigation" it is a "serious undertaking... in my mind equivalent to a war vote." Learn more about your ad choices. Visit megaphone.fm/adchoices