In that range, between zero and 20 years a particular defendant should be sentenced. and the guidelines have gradations in them that relate to various aspects of the commission of the crime. sorry. so the commission does data -- does data gathering and research to figure out how crimes are committed and what gradations should matter in terms of the range of culpability, because the problem of not doing that or of getting it wrong is that you are not able to adequately assess and determine the differences among offenders on the scale. >> i understand that. in these cases, as i understand it, al...