“Roy's key finding was DeBardeleben's criminal sexual sadism. For such offenders, sex and suffering are one and the same. This perversion, or paraphilia, is surprisingly unusual, even among sexual criminals. But those who harbor it are the most dangerous of all aberrant offenders. They are the great white sharks of deviant crime, marked by their wildly complex fantasy worlds, unequaled criminal cunning, paranoia, insatiable sexual hunger, and enormous capacity for destruction." ... "The crimes are fantasies being acted out. The more complex the crime, the more complex the fantasy and the more intelligent the offender.”