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".
Lyda Southard Lyda Southard (also known as Lyda Anna Mae Trueblood) was born on October 16, 1892, and died on February 5, 1958, of a heart attack. She is considered one of America's first female serial killers, preceded by Jane Toppan. It was suspected that she had killed her four husbands, a brother-in-law, and her daughter by using arsenic poisoning derived from flypaper to poison them in order to attain life insurance money.