What's up Knowledgers!? Welcome back to another week of Serial Knowledge! We have a wild one for you this week. 

Israel Keyes grew up with a wild childhood, tons of siblings, some odd parents, and moved around a LOT. From early signs of psychopathy to a brief time spent serving in the military, it's hard to say what all played a factor in Keyes becoming the tortuous, devious monster that he became. He also, for some reason, isn't as well known as we think he should be. 

But one thing is for sure, Israel Keyes is one of the most meticulous, remorseless pieces of shit we have covered yet. Stick around to hear all the details as to why Israel Keyes may be the scariest serial killer that you may have never heard of...