Answer:
Affidavit (assuming the exercise has the same question twice).
Explanation:
As the exercise suggests, an affidavit is a sworn statement, made under oath, before the appropiate magistrate or officer. In other words, is a some kind of authorization for certain processes. In this case, the prosecuting attorney is asking for an affidavit in order to support the search warrant.
True! I think the answer is true!
The research must pose no more than minimal risk.