Louisiana Code of Criminal Procedure Tit. XIX, Art. 612. Offenses on railway trains, vessels, aircraft, or other vehicles

If an offense is committed on a train, vessel, aircraft, or other public or private vehicle while in transit in this state and the exact place of the offense in this state cannot be established, the offense is deemed to have been committed in any parish through or over which the train, vessel, aircraft, or other vehicle passed, and in which the crime could have been committed.