West Virginia Code Chapter 62. Criminal Procedure § 62-6-8. Alleged victim of sexual offense may not be required to submit to a polygraph examination or other truth telling device as a condition of investigating an alleged offense nor may prosecutors or law-enforcement officers decline to proceed if the victim refuses such examination

No law-enforcement officer, prosecutor or any other government official may ask or require the adult, youth or child victim of an alleged sexual offense, as set forth in the provisions of section six, article eight, chapter sixty-one of this code; section six, article twelve of said chapter; section five, article eight-d, of said chapter; and article eight-b of said chapter, or any other sexual offense as defined under state or local law, to submit to a polygraph examination or other truth-testing examination as a condition for proceeding with the investigation of the alleged offense. No law-enforcement officer, prosecutor or any other government official may refuse to proceed with an investigation, warrant, indictment, information or prosecution of the alleged offense because the alleged victim refused to submit to such an examination.