Dix v. Georgia

approving jury instruction of “knowingly” as meaning “that the act was done voluntarily and intentionally and not because of mistake or accident” | shooting death of investigating officer during escape from robbery of florist shop | shooting death of investigating officer during escape from robbery of florist shop | witness’ admission to a government agent prior to trial insufficiently testimonial to form predicate for waiver of fifth amendment privilege at trial | reliability of informant was demonstrated by his knowledge of details concerning the location of counterfeit money in a secret door panel | evidence of mental incapacity inadmissible when it related to period twelve years before crime | enterprise’s scope in-eluded robbery, counterfeiting, illegal use of explosive, and murder | conclusory allegation of effect on commerce sufficient in RICO indictment | conclusory allegation of effect on commerce sufficient in RICO indictment | con-elusory allegation of effect on commerce sufficient in RICO indictment