context: From this evidence, a rational jury could reasonably conclude beyond a reasonable doubt that the defendant appreciated the wrongfulness of his conduct and that he had the ability to conform his conduct to the law.
citation_a.signal: see
citation_a.identifier: 475 Mass. 817, 817-818
citation_a.parenthetical: considering circumstances of crime, as well as motive, in finding sufficiency of evidence of criminal responsibility
citation_a.sentence: See Lawson, 475 Mass. at 817-818 (considering circumstances of crime, as well as motive, in finding sufficiency of evidence of criminal responsibility).
citation_b.signal: cf.
citation_b.identifier: 370 Mass. 516, 538
citation_b.parenthetical: evidence of planning and motive supports criminal responsibility of defendant
citation_b.sentence: Cf. Commonwealth v. Kostka, 370 Mass. 516, 538 (1976) (evidence of planning and motive supports criminal responsibility of defendant).