Connecticut firm Wiggin and Dana has added David Laufman, the former U.S. Justice Department official who oversaw investigations in 2016 involving both Hillary Clinton’s use of a private email server and Russian election interference.

Laufman joined Wiggin and Dana on May 1 as co-chair of its national security practice group. He is also a member of the firm’s white-collar defense, investigations and corporate compliance practice group and its international trade compliance group.