David Victor Canter is a psychologist that helped police on a case involving two serial killers who attacked numerous women and children in the south of what?
John Duffy and David Mulcahy John Duffy and David Mulcahy (both born 1959) are two British rapists and serial killers who together attacked numerous women and children at railway stations in the south of England during the 1980s. They are known as the "Railway Rapists" and the "Railway Killers".
David Carpenter David Joseph Carpenter (born May 6, 1930), a.k.a. the Trailside Killer, is an American serial killer known for stalking and murdering his victims in State Parks in California. Carpenter killed several people on hiking trails near San Francisco, California. Carpenter killed at least 10 people, with one attempted victim, Steven Haertle, surviving. Carpenter used a .38 caliber handgun in all but one of the killings, with a .44 caliber handgun being used in the killing of Edna Kane on Mount Tamalpais.