When process of arrest in a criminal prosecution is issued from a court during its session, either against a party accused or a witness, the officer to whom it is directed or delivered may execute it in any part of the state.
W. Va. Code § 62-2-16
Execution of process within state
Official source: West Virginia Legislature. Reproduced from public-domain West Virginia statutes; confirm against the official source for the current text. Not legal advice.