DUAL-SOVEREIGNTY DOCTRINE
dual-sovereignty doctrine.The rule that the federal and state governments may both prosecute
someone for a crime, without violating the constitutional protection against double jeopardy, if the
person’s act violated both jurisdictions’ laws. See DUAL-PROSECUTION RULE. [Cases: Double
Jeopardy 186. C.J.S. Criminal Law § 258.] [Blacks Law 8th]