As a counterpoint to separation of powers, the principle that the president, Congress, and the Supreme Court share power over the laws of the country. The U.S. system of government is sometimes called a shared-powers system.. whip.
The Department of Justice (DOJ) is a cabinet-level agency responsible for enforcing the laws of the United States federal government. DOJ ensures public safety against foreign and domestic threats, including terrorism, and preventing crime.
U.S. Attorneys and their offices are part of the Department of Justice, and thus of the executive branch of the government. U.S. Attorneys are supported by the Justice Department's Executive Office for United States Attorneys.