In case that the police or any other authority proceeds against the right granted in the Fourth Ammendment, their findings, having been illegally obtained, can not be presented before any court as evidence against any individual, nor a judge could allow to have them as evidence in a trial, because this would ignore the Sixth Ammendment by violating the right to an impartial trial.
I believe the Zimmerman Telegram. America received a coded message from Mexico, which wasn't so nice.
The answer to the item that you posted is letter A. The Olduvai Gorge in Tanzania is the site of many findings of the earliest humans. It is also one of the important sites to which many had learning and understanding about the human evolution.