What is With Serial Killers & The Number 15??

What is With Serial Killers & The Number 15?? While I was doing research for another serial killer topic I noticed that I kept coming across the number 15, so I decided to change my topic to "15s" and do this inaugural serial killer episode for you. I have been a student of killer behavior for many years and am just now starting to write some videos around that topic, so look for many more serial killer episodes coming out on Sundays going forward! Let's Learn Something New & Be Most Smartest Disclaimer: When we are creating a video for you, we spend the majority of our time researching and confirming the facts we use, but sometimes it is possible for something to go wonky. Just a "heads-up"...