For this week’s assignment, review the required FBI (Links to an external site.) and DNI (Links to an external site.) websites and watch the video “Herding Cats (Links to an external site.) ” by the DNI Clapper. Write an essay in which you select one U.S. agency from the list below and explain the agency’s role in counterterrorism operations. The U.S. agencies to choose from include: National Security Agency (NSA) Department of the Treasury, Department of Homeland Security Department of Energy, Department of State, or Defense Intelligence Agency (DIA) In the essay, Summarize the function of the agency as it relates to counterterrorism operations inside the United States and identify the tools available to the agency to conduct counterterrorism operations. Evaluate how your selected agency interacts with at least one other agency to perform counterterrorism operations. Identify the types of intelligence collected by the agency, and analyze if there are any restrictions on use of the intelligence gathering techniques in counterterrorism operations.