sentences:  In January 2020, Scovel announced his retirement.In May 2020, President Donald Trump nominated Eric Soskin, a Vice President Mike Pence ally from Indiana to replace Scovel.The Office of Investigations is composed of criminal and general investigators who are responsible for conducting criminal, civil, and administrative investigations of fraud and a variety of other allegations affecting DOT, its operating administrations, programs, and grantees (grant funds).