Altricial, meaning requiring nourishment, refers to a pattern of growth and development in organisms which are incapable of moving around on their own soon after hatching or being born.
United States Attorney Lynne A. Battaglia hired Rosenstein as an Assistant U.S. Attorney in 1997. He litigated a wide range of cases, coordinated the credit card fraud and international assistance programs and supervised the law student intern program.
In May 2017, Mueller was appointed by Deputy Attorney General Rod Rosenstein as special counsel overseeing an ongoing investigation into alleged foreign electoral intervention by Russia in the 2016 U.S. presidential election.