Mont. Code Ann. § 27-1-106
Injury defined
27-1-106 . Injury defined. (1) An injury is of two kinds:
(a) to the person; and
(b) to property.
(2) An injury to property consists in depriving its owner of the benefit of it, which is done by taking, withholding, deteriorating, or destroying it. Every other injury is an injury to the person.