W. Va. Code § 62-7-8

If on the way to the penitentiary or other place, in consequence of an attempt made, or reasonably apprehended, to rescue the prisoner, or in consequence of any other unforeseen danger, the guard to whom such prisoner was delivered is satisfied that more guards than accompanying him are necessary, he may summon such additional guards as are necessary, whose expenses shall be paid as provided for in section seven of this article.