Why does a Jeffrey Dahmer happen? How does a man become a serial killer, necrophiliac, cannibal and psychopath? Very few convincing answers are forthcoming, despite a spate of books that propose to understand the problem. Many of the theories would have you believe that the answers can always be found in childhood abuse, bad parenting, head trauma, fetal alcoholism and drug addiction. Perhaps in some cases, these are contributing factors, but not for Jeffrey Dahmer. His father, Lionel Dahmer, wrote a very sad and poignant book called A Fat ....