Mississippi Code Title 99. Criminal Procedure § 99-1-27

(1) No law enforcement officer, prosecutor or other government official shall ask or require an adult, youth or child victim of a sex offense to submit to a polygraph examination or other truth telling device as a condition for proceeding with the investigation of the offense.

(2) The refusal of a victim to submit to an examination described above shall not prevent the investigation of the offense.

(3) For purposes of this section, a “sex offense” shall have the meaning ascribed in Section 45-33-23(h).