Wow. This tweet pretty much confirms what I thought Preet Bharara was doing - and why Trump fired him.

🚨 Bloomberg: Mueller expands Russia investigation to include Trump’s business transactions https://t.co/sbJM1eRUgF

— Bradd Jaffy (@BraddJaffy) July 20, 2017

“The roots of Mueller’s follow-the-money investigation lie in a wide-ranging money laundering probe launched by … @PreetBharara last year” https://t.co/Nmfhu4xuTD

— Bradd Jaffy (@BraddJaffy) July 20, 2017

(Fortunately, Preet had enough of a heads up that he was being fired to send his case notes to Comey - who undoubtedly forwarded them to Mueller.)