an agatha christie mystery at this point. we know what happened. we're trying to fill in -- >> basically -- >> we're just filling in the details at this point. >> the crime was admitted to in the first page of this. we're just in flashback mode of how did we actually get there. okay, there's more breaking news at this hour. two big stories coming up. nbc news is now reporting exclusively tonight one of the former trump administration official slated to testify next week is going to reveal rudy giuliani and eu ambassador gordon sondland circumvented the national security council and white house process to pursue a shadow policy on ukraine. and this comes as "the washington post" is reporting that least four national security officials raised alarms about the trump administration's attempts to pressure ukraine for political purposes both after and before the infamous july 25th call between presidents trump and zelensky. and that is where we begin tonight with greg miller who broke this story.