Analysis of information sources in references of the Wikipedia article "Blood atonement" in English language version.
I replied, I was opposed to hanging, even if a man kill another, I would shoot him or cut off his head, spill his blood on the ground, and let the smoke thereof ascend up to God, and if ever I have the privilege of making a law on that subject, I will have it so.
The Bowie knife motif is tied to an obscure, and often glossed over, part of Mormon doctrine called blood atonement. It's based on the idea that there are some crimes so foul, that Jesus did not atone for them with his death. These crimes, so the doctrine goes, can only be solved by bloodshed. "The church doesn't like to talk about blood atonement," Brother Mike said. "They distance themselves from that all day long. But the idea is, if you're an apostate, you are worthy of death."