Mueller zeros in on mysterious million dollar loan to Manafort's family after his FBI arrest
Paul Manafort during the sound check at the podium of the Republican National Convention. (mark reinstein /

As Paul Manafort sits in jail, questions continue to swirl around his real estate empire -- and potential links between Manafort, agents of foreign governments, and the Trump administration.

On Friday, Bloomberg reported that prosecutors have started investigating a $1 million loan made to Manafort’s family.

Special Counsel Robert Mueller’s prosecutors told a court they want to know more about the loan, which was issued in August 2017. The money came from a Nevada company called Woodlawn LLC.

The loan was guaranteed by Manafort.

It's still not clear who funded the loan, which might explain why prosecutors are lobbying the court for access.