Covington & Burling and Wilmer Cutler Pickering Hale and Dorr were among the law firms that worked behind the scenes on the prisoner swap between the U.S. and Russia last week, which saw Wall Street Journal reporter Evan Gershkovich and 15 other individuals released from Russian custody.

Covington worked with the U.S.-funded media outlet Radio Free Europe/Radio Liberty to help secure the release of one of its journalists, Alsu Kurmasheva, who was one of 16 people released as part of the prisoner exchange with Russia.