NEWS: For more than 3 years, federal prosecutors investigated whether money flowing through an Egyptian state-owned bank could have backed $10M Donald Trump donated to his own campaign days before he won the 2016 election. Story w/ @kpolantz @evanperez https://www.cnn.com/2020/10/14/politics/trump-campaign-donation-investigation/index.html

Our deep dive into the 3+year investigation: The probe both predated and outlasted Mueller, and has never been described before publicly. It represents one of the most prolonged efforts by federal investigators to understand the President's foreign financial ties.

This is the reason behind the mystery Mueller grand jury case. It was so secret that at one point investigators locked down an entire floor of a courthouse so Mueller’s team could fight for the Egyptian bank’s records. It was the only Mueller-related case to reach SCOTUS