whistle-blower. this is someone that they interviewed as well, the investigators there at the inspector general's office, they interviewed to get information from this person to back up some of the claims from the whistle-blower. we don't know if we will ever hear from either one of these individuals publicly, but certainly that is still ongoing. then you have other big moments here coming up this week. of course there's always the unknown that's going to hit us and come out of nowhere, but there is one key person that's set to testify in a closed door proceeding on tuesday, and that's gordon sondland, he's the eu ambassador appointed by the president, long-time friend of the president. he was a donor to the president. and what's important with him is that there are text messages, also like we've seen with the person who testified yesterday, volker, there are text messages between them. there are text messages with sondland and a career diplomat where the career diplomat raises issues about the assistance, the security assistance, the money that ukraine was supposed to