I think this is wrong....
You shall not murder,” has no direct object. That is, it doesn’t say, “You shall not murder someone else,” or “You shall not murder your fellow man.” It simply says, “You shall not murder.” The prohibition thus includes not just the murder of one’s fellow man but even the murder of oneself. While suicide is certainly not the “unforgivable sin,” we must never forget that God prohibits murder of any kind