https://www.biography.com/crime-figure/israel-keyes
https://www.insideedition.com/how-americas-most-meticulous-serial-killer-studied-other-murderers-hone-his-craft-54541
https://thebrag.com/israel-keyes-serial-killer/
https://soundcloud.com/jordan-murphy-26/sets/israel-keyes-chronological
https://www.cbsnews.com/pictures/solving-israel-keyes-murders/