Former Trump campaign chairman Paul Manafort has reportedly been told to surrender to federal authorities as part of Special Counsel Bob Mueller's probe into Russian meddling in the 2016 election, the NYT's Matt Apuzzo reports. CNN reports Manafort will turn himself in.

Be smart: The FBI rarely charges just one person, and this is likely just the beginning.

The nature of the charges were not immediately clear but Manafort has been under investigation for violating tax law, money laundering, and his foreign lobbying disclosures. Manafort's business associate, Rick Gates, was also reportedly told to surrender.

Go deeper: How the probe closed in on Manafort