"The Serial Killer Database which chronicles crimes committed between 1900 and 2014 reveals that Alaska leads the US in the most serial killings. The northern state also holds the unfortunate distinction of having the nation’s highest rate of violent crime. One of Alaska’s most notorious serial killers was Robert Hansen who confessed to the murders of 17 women."
worldatlas.com/articles/the-us-states-with-the-most-serial-killings.html