Natalya Veselnitskaya had Russian spy agency FSB as client

[Tanuki]

http://www.reuters.com/article/us-usa-trump-russia-lawyer-exclusive-idUSKBN1A61LZ?feedType=RSS&feedName=topNews&utm_source=twitter&utm_medium=Social

"The documents show that the lawyer, Natalia Veselnitskaya, successfully represented the FSB's interests in a legal wrangle over ownership of an upscale property in northwest Moscow between 2005 and 2013.

The FSB, successor to the Soviet-era KGB service, was headed by Vladimir Putin before he became Russian president.
.....

Veselnitskaya and her firm Kamerton Consulting represented "military unit 55002" in the property dispute, the documents show.

A public list of Russian legal entities shows the FSB, Russia's domestic intelligence agency, founded the military unit whose legal address is behind the FSB's own headquarters." ...(more)

[dalton99a]

1. "We don't know who that is."

- Putin’s spokesman Dmitry Peskov