Although taking or carrying a person away for a certain purpose may be an element of the crime of abduction or kidnapping, in order to constitute the offense of kidnapping, it is not necessary that the purpose must have been accomplished.

First-degree kidnapping requires only intent to force a concession or taking of a person.  However, it does not require that the concession actualy be made or that the ultimate purpose of the abductiobe accompished.

Inside Accomplishment