http://journals.sagepub.com/doi/abs/10.1177/1362480615586614
see also
https://thenextweb.com/artificial-intelligence/2017/12/07/ai-is-unraveling-the-mysteries-of-the-serial-killer-mind/
https://www.wired.com/insights/2013/08/predictive-policing-using-machine-learning-to-detect-patterns-of-crime/
https://www.newyorker.com/magazine/2017/11/27/the-serial-killer-detector
https://www.forbes.com/sites/metabrown/2017/12/09/data-analytics-takes-on-serial-killers-aspiring-data-scientists-try-this-at-home/#35a49eee4795
http://www.murderdata.org/