it's the university of ann caldwell much has the current virus changed your life here. after gaining his trust, we're able to talk with the alleged former i as fighter for quite a while. mobile comes which part of syria you from language, should your own dear as all where is that? does need the border with iraq or? yeah. the man is from dairies all. the former economic hub of the islamic state, which we learned was this boil everywhere. the warm of a about a spot on on the oil was under. i asked control we had brought up a. ready deal for is was, everything was under, i is control with this. i still have a say you had to work for them by the of as a transport with the available to. no. but i had to buy oil from them until finished this room from michigan. so i don't want sammy or doesn't admit to having worked for i ass, but he does make a shocking admission. when all be the swan, i was with the police back home and it was the police, your jobby. my hobby was right. it's a chilling hobby in light of the barbaric acts that a mads team accused him of. in this 1st meeting,

ann caldwell, -- professor melissa murray, of nyu law school. she was a law clerk for sonia sotomayor, before her nomination to the supreme court. justin wolfers, professor of economics at the university of michigan. alyssa, i want to start with, you help us understand this confusion. from our own nbc reporting, donald trump himself is not under criminal investigation, his actions leading up to january 6th are. can you explain a, difference what we need to know? >> i think they're trying to do right now is determine what exactly the kind of charges can be brought if any against the president, and that really depends on the nature of his conduct on that day, and whether his conduct and a state of mind during the period leading up to january 6th could lead and support criminal charges. there's a lot of different charges that could be brought, and all of it turns on his mental state. he's not necessarily under investigation, but all the elements around him and indeed his own conduct at the time are important to sort of drill, down and make sure that there is enough evidence to make sure all the potential elements of the crime that might be charged, if and when the department of justice m