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.
The Attorney General's main purpose is to supervise the Department of Justice, which includes: 1  The FBI. 2  The DEA. 3  The ATF. 4  The Bureau of Prisons. 5  The Office of Justice Programs. 6  The U.S. Attorneys. 7  The U.S. Marshals Service.