The following work proved invaluable in the research and writing of this novel. Whoever Fights Monsters by Robert Kessler, Mind Hunter by John Douglas, Linkage analysis: modus operandi, ritual, and signature in serial sexual crime by Robert R. Hazelwood & Janet I. Warren, Serial Murder, Multi-Disciplinary Perspectives for Investigators published by the Behavioral Analysis Unit of the National Center for the Analysis of Violent Crime, Robert J. Morton, Editor, Mark J. Hilts, Co-Editor, plus a number of unpublished works on serial killers presented at the 2009 International Homicide Investigators Association. Above all, a special thanks to Andrew Vita, Team Adam Consultant for the National Center for Missing and Exploited Children and former Associate Director/Enforcement for the Bureau of Alcohol, Tobacco & Firearms, whose help made this book possible.