About 16% of serial killers are women. However, it doesn't mean they aren't notorious killers. Read about the U.S.'s first serial killer Lavinia Fisher.
Being married to a serial killer may be one of the strangest things a person can do, but for Ted Bundy's wife, it's actually more complicated than that.
On the outside, John Wayne Gacy looked like your normal family man who helped out in the community. But underneath that clowny smile was something evil.