. . "Dr. Mears testified that (1) Sells was ???off the scale??? in terms of the likelihood of future violence, (2) the past is the best predictor of an individual's future violent behavior, (3) Kaylene's autopsy revealed a number of postmortem wounds consistent with intentional body desecration and mutilation, (4) the nature of many of Kaylene's non-fatal wounds suggested Sells derived pleasure from th" . .