Australian Institute of Criminology, Serial Murder
BBC News: Nazi "Euthanasia" Children Buried
Cornell University Law School Legal Information Institute: Insanity
Desert News: Serial Killer Myron Lance Dies after Years in Prison
Fourtean Times: In Search of Sawney Beane
The Guardian: Q&A: Harold Shipman
The National Center for Victims of Crime: Stalking Resource Center
NOLA.com: Woman with Trail of Dead Husbands Dies in Louisiana
Psychology Today: When is Bad Behavior Really BAD?
Slate, Blood Loss: The Decline of the Serial Killer
Spiegel: "Human Flesh Tastes Like Pork"
TruTV: Nannie Doss: Lonely Hearts Lady Loved Her Man to Death
TruTV: William Bonin: The Freeway Killer
"Wihtout Conscience" - Robert Hare's Web Site Devoted to the Study of Psychopathy
"intitle: 'serial murder' site: .gov"
"intitle: 'serial murder' site: .edu"
"intitle: 'serial murder' site: .org"
You may also substitue a different phrase pertaining to the topic of Serial Killers for "serial murder."