(1) When a public offense is committed in part in one (1) county and in part in another, or the acts or effects thereof constituting or requisite to the consummation of the offense occur in two (2) or more counties, the venue is in either county.
(2) When more than one (1) felony is committed in more than one (1) county pursuant to a continuing criminal transaction or a common scheme or plan, venue shall be in any county in which one or more of such offenses has occurred.
(3) If a crime has been committed in the state of Idaho but it cannot be shown which county properly has venue, then in such case Ada county shall be the proper county of venue.