A survey of crime data finds that Missouri has had 41 recorded serial killers. Kansas has had 11.

Add Yahoo as a preferred source to see more of our stories on Google. A new study reveals the state of Montana has the highest number of serial killers per capita ...

A new study ranked U.S. states based on total serial killers, number of victims and other factors.

Here's a select list of convicted American serial killers and notable open or unsolved cases. Serial murder is defined by the FBI as two or more killings separated by a span of time. A majority of ...