<Li> Knowingly: the actor is practically certain that his conduct will lead to the result, or is aware to a high probability that his conduct is of a prohibited nature, or is aware to a high probability that the attendant circumstances exist . </Li> <Li> Purposefully: the actor has the "conscious object" of engaging in conduct and believes or hopes that the attendant circumstances exist . </Li> <P> Except for strict liability, these classes of mens rea are defined in Section 2.02 (2) of the MPC . </P> <P> Since the federal government of the United States does not have a generalized police power like that of the states, the scope of its criminal statutes is necessarily circumscribed . Ordinary prosecutions are the province of the states, and only crimes of special federal import are pursued by the federal government . Consequently, Title 18 of the United States Code does not use the aforementioned culpability scheme but relies instead on more traditional definitions of crimes taken from common law . For example, malice aforethought is used as a requirement for committing capital murder . </P>

What is the necessary condition for an accused person to be found guilty by a jury