Today we talk about some of the most notorious serial killers of all time! We talk about what it was like before DNA testing was a thing, how in the heck they caught a killer in the 1800s, and the wild fan clubs fan clubs that started in the 80s. Let's break down 5 of the most famous serial killers and their stories. We both love true crime, but don’t worry we’re too grossed out (and a little too scared) to get into too many gory details. Find out the facts that blow our minds! TRIGGER WARNING: GRAPHIC CONTENT

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