Moses 7:55; 1 Ne. 19:10; Gal. 3:13; Deut. 21:22-23
“The prophecy was the more remarkable because crucifixion was unknown to Hebrew law. The Mosaic code prescribed the penalty of death in four forms: stoning, burning, beheading, and strangling.” (R. Millet & J F. McConkie, Doctrinal Commentary on the Book of Mormon, 1:266)