Submitting evidence.(criminal investigation)

Requesting Evidence Examinations All requests for evidence examinations should be in writing, on agency letterhead, and addressed to the FBI Laboratory Evidence Control Unit, unless otherwise indicated in the Examinations section. The requests must contain the following information:

* The submitting contact person's name, agency, address, and telephone number.

* Previous case identification numbers, evidence submissions, and communications relating to the case.

* Description of the nature and the basic facts concerning the case as they pertain to evidence examinations.

* The name(s) and descriptive data about the individual(s) involved (subject, suspect, victim, or a combination of those categories) and the agency-assigned case identification number.

* A list of the evidence being submitted herewith (enclosed) or under separate cover.

"Herewith" is limited to small items of evidence that are not endangered by transmitting in an envelope. Write on the envelope before placing evidence inside to avoid damaging or altering the evidence. The written communication should state: Submitted herewith are the following items of evidence.