indictment on a range of tax charges according to a source the focus now is on someone named matthew cal mauryto get matthew cal maury to cooperate? >> since they've filed the charges they've been focused on trying to get him to cooperate. here's the problem. we're two years into this investigation, anderson. and at this point a source familiar tells me that they still don't have a cooperating witness inside the organization. and that's a huge problem for their case. we know the former president. he doesn't e-mail. he doesn't leave much of a paper trail, so they really need someone on the inside of the organization who could reveal details about any alleged criminal activity. now, you may remember when the charges were filed against the company there was an unindicted coconspirator. on our reporting we have identified that person as the company's controller. he testified before the grand jury but they still don't have that key cooperating witness, and that's why mr. calamare is such a focus right now. >> and who is this calamare? >> he's a fascinating person out of trump world. this is guy ris