Question

A department or agency whose officers have very clear law enforcement powers

such as a state, federal, or large metropolitan police force, would most likely be
classified as a
security service organization.

Answer 1

I would say the Federal Bureau of Investigations (FBI)

Step-by-step explanation:

The Federal Bureau of Investigations covers the entire united States and work in 65 other countries to eliminate threats from the United States, which means anything they touch is usually theirs.