should america even listen to him and believe him? >> when you listen to sarah sanders it's almost as if she doesn't know how criminal cases are brought, right? how big criminal organizations and schemes are taken down. and it's by taking cooperating witnesses who can tell you about the inside of the scheme. and i've got to tell you as we know, they all lie at the beginning. so what you have to do as a prosecutor is yes, you're skeptical. you talk to them. do you believe them right after that? no. but you listen to what they have to say and you look at the other evidence. you corroborate them with other witnesses and what they're telling you. documents, recordings, basically anything you can find that either supports them or doesn't support them. and then you decide whether they're worthy of belief and theth you're going to sign them up and put them in front of a jury. no one is going to take this at face value. they're going to take what they already know from other sources, put it against what michael cohen is saying and that's when you decide whether he's believable. but jut because he lied at the giing, that is so, so common. doesn't mean he's lying now. >> you mentioned recordings. his penchant for recording all of the things, right? is it possible he shows up