The latest law firm lateral partner and counsel hires in Washington, D.C., at firms such as Steptoe, Nixon Peabody and Nelson Mullins Riley & Scarborough, have focused on disputes and investigations practices.

Growing its investigations and white-collar defense practice, Steptoe has hired Sandra Hanna from Miller & Chevalier as a partner based in D.C. and New York. Hanna will serve as head of the firm’s SEC enforcement practice.