Obama was the first sitting president to visit a federal corrections facility, the first to oversee a drop in the federal prison population in more than thirty years, and he granted clemency to nearly two thousand people behind bars—the highest total for any president since President Harry Truman. His administration enacted significant policy changes, including, among others, legislation reducing sentencing disparities involving crack and powder cocaine, a temporary ban on federal contracts with private prisons, and limitations on the transfer of military equipment to local police departments.
