503 U.S. 291 503 U.S. 291 112 S.Ct. 1329 117 L.Ed.2d 559 UNITED STATES, Petitionerv.R.L.C. No. 90-1577. Argued Dec. 10, 1991. Decided March 24, 1992. Syllabus Because certain conduct of respondent R.L.C. at age 16 would have constituted the crime of involuntary manslaughter under 18 U.S.C. §§ 1112(a) and 1153 if committed by an adult, […]