Sworn testimony that certain facts are in the possession of the investigating officer and that they warrant the examination of specific items located at a specific place is known as a(n)

Affidavit

Explanation:

An affidavit is referred to as an a written affirmed agreement of fact made voluntarily by an individual or affiant under an oath administered by other individual authorized by law. It is referred to as a kind of statement that is verified, meaning that it is under oath, and thus this act as an proof to its veracity.