### Question
Can you define what criminal investigator means?


### Answer
**Criminal investigator** is defined as the following in *5 U.S.C. § 5545a*:

> a law enforcement officer as defined under section 5541(3) (other than an officer occupying a position under title II of Public Law 99–399, subject to subsection (k)) who is required to—


(A) possess a knowledge of investigative techniques, laws of evidence, rules of criminal procedure, and precedent court decisions concerning admissibility of evidence, constitutional rights, search and seizure, and related issues

#### Citation:
  - *5 U.S.C. § 5545a*
  - Heading: **PART III-EMPLOYEES > Subpart D-Pay and Allowances > CHAPTER 55-PAY ADMINISTRATION > SUBCHAPTER V-PREMIUM PAY**

