You are saying that congress is immuned from the provisions of the 4th amendment?
Sure would have come in handy when the State of Hawaii refused to release Obama's "birth certificate."
“You are saying that congress is immuned from the provisions of the 4th amendment? “
Yes, except from gross violations. Not yet well defined in the juris prudence. They certainly do not need a Court/Judge Order. And are not bound by “probable cause”.
They are completely entitled to investigate a POTUS.