You should try checking with the Constitution first on these matters.
LOL. First of all Congress can't impeach any official without cause and second of all your statement has nothing to do with the FACT that Congress can not halt FBI investigations. The FBI is part of the executive branch. It's that separation of powers thing the constitution mentions here and there.
You should try checking with the Constitution first on these matters.
You should try understanding what you read and failing that try keeping your stupid advice to yourself.