The jurisdiction of a criminal action:
Is in any competent court within the jurisdictional territory in which the offense was committed, or in the jurisdictional territory out of which the person upon whom the offense was committed was taken or within the jurisdictional territory in which an act was done by the defendant in instigating, procuring, promoting, or aiding in the commission of the offense, or in abetting the parties concerned therein.
Ca. Pen. Code § 784