Former Trump campaign chairman Paul Manafort owns multiple passports and used a phone and email account registered under a fake name while traveling, according to a new court filing obtained by CNN on Tuesday.

Manafort, who surrendered to the FBI on Monday after being indicted as part of special counsel Robert Mueller's ongoing probe into Russian election meddling, currently has three different U.S. passports and has submitted 10 applications for passports over the last several years, according to the filing.

Manafort used the fake name for his phone and email account while traveling to Mexico, China and Ecuador this year, the filing shows.

Manafort was indicted on multiple counts, including money laundering and conspiracy against the United States. He and his business associate Richard Gates, who was included in the indictment, pleaded not guilty.

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The new filing provided by CNN details Manafort's extensive travels and use of multiple banks to house the millions of dollars gained through his work as a consultant for a pro-Russia political party in Ukraine.

It also shows that Manafort reported vastly different figures regarding the value of his assets, from $19 million in April of 2012 to $136 million in May 2016.

The indictments against Manafort and Gates are the first in Mueller's investigation, which is focused on possible ties between the Trump campaign and Russia.