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 U.S. Marshals is under the Attorney General and is headed by a director and assisted by a deputy director. The FBI is also headed by a director and has five functional branches. An executive assistant director manages each of the branches. 1.The FBI, or Federal Bureau of Investigation, is under the U.S. Department of Justice.