caused me to come to the conclusion that this would -- this would do just exactly what you said. you're breaching someone's privacy to determine whether or not they are an american person. >> to generate a list for congress. >> it potentially could -- yes, to generate a list for congress. that wasn't the only basis on which we made the decision but that was an essential basis. >> thank you. i want to ask a little bit more about the minimization procedures and the importance of those, and a little bit about unmasking of u.s. persons' names that admiral rogers and others have director coats you've talked about. you've explained the process and the elaborate procedures in place to make sure that this is not done accidentally or casually. and i think that's very important reshoo a suring the