The Department of Homeland Security is a US Cabinet Department that coordinates between the various policing agencies in the USA (FBI, ATF, etc.) and the CIA. The National Security Agency is an executive agency that maintains the US Cyberdefense and, increasingly, spying on Internet Activities.
No, homeland security is more of its own department.
There is no specific degree for Homeland Security. To apply for a Homeland Security position, you would need to have the same qualifications as a typical FBI agent.
The security agencies, like the NSA, CIA, Homeland Security and the FBI.
The FBI and several other law enforcement agencies belong to the Department of Justice. The FBI has some 'dotted line' responsibilities to Homeland Security, also.
The agencies you mentioned—Homeland Security, CIA, DEA, and FBI—serve different functions within the U.S. government. The Department of Homeland Security (DHS) oversees national security, focusing on domestic threats and emergencies. The CIA primarily handles foreign intelligence and espionage, while the DEA enforces drug laws. The FBI is a federal investigative agency that also deals with domestic intelligence. Each agency has its own jurisdiction and authority, making it difficult to rank them in terms of "highest."
The Department of Justice, the CIA, the FBI, the ATF, ICE, Homeland Security.
The President George W. Bush established the Office of Homeland Security and the Homeland Security Council, following the tragic events of September 11. The officials of Department of homeland security develop and coordinate a comprehensive national strategy to strengthen protections against terrorist threats or attacks in the United States.
Homeland security is likely informed as a secondary process of FBI or Treasury Dept. reporting of large (or even medium/smal) cash transfers.
NCIS is only Naval Criminal investigation and FBI is all around.
None, the FBI is an arm of the Department of Justice (DOJ).
Contact FBI or U S Government Homeland Security, reports can be sent online